CN212752487U

CN212752487U - Optical anti-shake testing device

Info

Publication number: CN212752487U
Application number: CN202021680134.XU
Authority: CN
Inventors: 郑国荣; 钟汉龙; 王润; 徐翼
Original assignee: Shenzhen Xinxinteng Technology Co ltd
Current assignee: Shenzhen Xinxinteng Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-19
Anticipated expiration: 2030-08-11

Abstract

The utility model provides an optical anti-shake testing device, which comprises a fixing mechanism, a shaking motor, a translation motor, a light source, a graphic card and a conveying mechanism, wherein the fixing mechanism is used for fixing a camera module or a terminal; the shaking motor is used for driving the fixing mechanism to rotate around a rotating axis in a reciprocating mode by a preset angle so as to shake the fixing mechanism; the translation motor is used for driving the fixing mechanism to perform reciprocating translation; the light source is used for providing a uniform light surface detection environment for the camera module or the terminal; the image card is used for shooting images by the camera module or the terminal; the distance-increasing mirror is used for simulating the working distance of real shooting afocal so as to shorten the testing distance. This optics anti-shake testing arrangement has realized the angle shake at module or terminal of making a video recording through setting up the shake motor, has realized the translation shake at module or terminal of making a video recording through setting up the translation motor, and module or terminal of making a video recording shoots the picture card at the shake in-process to the anti-shake performance at module or terminal is made a video recording in the test.

Description

Optical anti-shake testing device

Technical Field

The utility model belongs to the technical field of visual detection, especially, relate to an optics anti-shake testing arrangement.

Background

Along with the development of the visual technology and the improvement of the product quality requirement, people put forward higher and higher requirements on the performance of the camera module of the mobile phone and the production line testing efficiency. In the assembly process of putting into production at the cell-phone, need measure the module performance of making a video recording (including definition and anti-shake function etc.), the optical anti-shake testing arrangement of the module of making a video recording becomes the production line test, especially the essential part in the production of middle and high-end performance module, and the module of making a video recording carries out the efficiency that the purpose that the shake was tested in the improvement production line test.

For testing the jitter effect, a light source and a graphic card are usually arranged in front of the camera module, but the test space is limited when the actual test is carried out, so that the distance of long-range view test cannot be met, and the existing optical anti-shake test device can only carry out short-range view shooting test.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optics anti-shake testing arrangement aims at solving current optics anti-shake testing arrangement and can only carry out the technical problem that the test was shot to close-range.

The utility model discloses a realize like this, an optics anti-shake testing arrangement, include:

the fixing mechanism is used for fixing the camera module or the terminal;

the shaking motor is used for driving the fixing mechanism to rotate around a rotating axis in a reciprocating mode by a preset angle so as to shake the fixing mechanism;

the translation motor is used for driving the fixing mechanism to perform reciprocating translation;

the light source is used for providing a uniform smooth surface detection environment for the camera module or the terminal;

the image card is positioned between the light source and the fixing mechanism and is used for the camera module or the terminal to shoot images;

and the distance increasing lens is used for simulating the working distance of real shooting afocal so as to shorten the testing distance.

In one embodiment, the rotation axis and the central axis of the camera module or the terminal form an included angle.

In one embodiment, the camera module or the camera module of the terminal is located on the rotation axis, and the light source, the graphic card, and the camera module or the camera module of the terminal are in the same straight line in the vertical direction.

In one embodiment, the fixing mechanism includes a supporting plate and a fixing jig, the fixing jig is connected to the supporting plate and is used for fixing the camera module or the terminal, the motor can drive the supporting plate to move circumferentially around the rotation axis, and the rotation axis passes through the camera module or the terminal.

In one embodiment, the fixing jig comprises a positioning plate, a clamp and a driving member, the positioning plate is used for placing the camera module or the terminal, and the driving member is used for driving the clamp to clamp the camera module or the terminal on the positioning plate.

In one embodiment, the fixing mechanism comprises a base and a moving member, the base is provided with an inward concave arc surface, the moving member is matched and attached to the arc surface, the supporting plate is connected to the moving member, and the shaking motor can drive the moving member to move back and forth along the inward concave arc surface, so that the fixing mechanism rotates back and forth for a preset angle.

In one embodiment, the optical anti-shake testing device further includes a support frame and a lifting mechanism for driving the light source to lift, the lifting mechanism includes two screws, a linkage member, a driving member and a tensioning wheel, the screws are all connected to the support frame, the two screws extend in a vertical direction and are connected to the linkage member, the linkage member is used for linking the two screws, the light source is connected to the two screws, the driving member is used for driving one screw to rotate so as to drive the other screw to rotate synchronously, thereby driving the light source to lift, and the tensioning wheel is used for tensioning the linkage member.

In one embodiment, the optical anti-shake testing device further includes a conveying mechanism, where the conveying mechanism is configured to drive the translation motor to move between a first position and a second position, when the translation motor is located at the first position, the camera module or the terminal is away from the graphics card, and when the translation motor is located at the second position, the camera module or the terminal is parallel to and centers on the graphics card, so that the camera module or the terminal acquires image information.

In one embodiment, the optical anti-shake testing device further comprises a testing box, a switch baffle and a display, the light source and the graphic card are located in the testing box, the testing box is provided with a feeding hole, the switch baffle can be shielded from the feeding hole and can also avoid the feeding hole, so that the translation motor can move between the first position and the second position, and the display is used for displaying vibration parameters of the camera module.

In one embodiment, the optical anti-shake test device further comprises an alarm mechanism, and the alarm mechanism can give an alarm when the shake motor or the translation motor works abnormally.

The utility model discloses technical effect for prior art is: this optics anti-shake testing arrangement has realized the angle shake at module or terminal of making a video recording through setting up the shake motor, has realized the translation shake at module or terminal of making a video recording through setting up the translation motor, the module or terminal of making a video recording shoots the picture card at the shake in-process to the anti-shake performance at module or terminal is made a video recording in the test, the distance-increasing mirror can move to between picture card and the fixed establishment when needs zoom, move to between picture card and the module or terminal of making a video recording promptly. Therefore, under the condition that the space size of the test environment is not changed, the working distance of real shooting and afocal simulation is effectively shortened by additionally arranging the distance-increasing mirror, so that different test distances can be simulated accurately, and the requirements of various high pixels are met.

Drawings

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

Fig. 1 is a three-dimensional structure diagram of an optical anti-shake testing device provided in an embodiment of the present invention;

fig. 2 is a three-dimensional structure diagram of a fixing mechanism provided in the embodiment of the present invention;

fig. 3 is an overall structure diagram of an optical anti-shake testing device according to an embodiment of the present invention.

Description of reference numerals:

10. a fixing mechanism; 11. a support plate; 12. fixing the jig; 121. positioning a plate; 122. a clamp; 123. a drive member; 13. a moving member; 14. a base; 20. a dithering motor; 30. a translation motor; 40. a light source; 50. a conveying mechanism; 60. a distance-increasing mirror; 70. a lifting mechanism; 71. a screw; 72. a linkage member; 73. a tension wheel; 74. a guide bar; 80. a test box; 81. an alarm mechanism; 82. a display; 83. a control mechanism; 831. a first control button; 832. a second control button; 84. a support frame; 90. and (4) a terminal.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1, an embodiment of the present invention provides an optical anti-shake testing apparatus, which includes a supporting frame 84, a fixing mechanism 10, a shake motor 20, a translation motor 30, a light source 40, a graphic card, a range-extending mirror 60, and a lifting mechanism 70.

Referring to fig. 1, a fixing mechanism 10 is used for fixing a camera module or a terminal 90. The terminal 90 is a terminal 90 assembled with a camera module. The terminal can be a mobile phone.

Referring to fig. 1, the shaking motor 20 is connected to the fixing mechanism 10 and is used for driving the fixing mechanism 10 to rotate back and forth around a rotation axis by a preset angle, so as to shake the fixing mechanism 10. In the present embodiment, the preset angle may be plus or minus 10 °, and the driving speed of the shaking motor 20 is based on the shaking effect formed by the fixing mechanism 10. The rotation axis may be located on the fixing mechanism 10, at which time the fixing mechanism 10 rotates, or outside the fixing mechanism 10, at which time the fixing mechanism 10 moves circularly, wherein the shooting direction of the camera module or the terminal 90 is perpendicular to the rotation axis. In the present embodiment, the rotation axis is located on the camera module or terminal 90, so that the camera module or terminal 90 only performs angular shake.

Referring to fig. 1, the translation motor 30 is connected to the fixing mechanism 10 and configured to drive the fixing mechanism 10 to translate back and forth, specifically, translate along a horizontal direction.

Referring to fig. 1, the light source 40 is connected to the supporting frame 84, and the light source 40 is used for providing a uniform light surface detection environment for the camera module or the terminal 90. The graphic card is located between the light source 40 and the fixing mechanism 10 and used for the camera module or the terminal 90 to take images in this embodiment, the graphic card can be attached to the lower surface of the light source 40. It can be understood that the camera module or terminal 90 can always obtain the pattern information on the graphic card during the shooting process. Wherein, the chart is a chart of chart. The lifting mechanism 70 is connected to the light source 40 and can drive the light source 40 to lift and lower so as to adjust the focal length of the camera module or the terminal 90.

Referring to fig. 1, in order to implement the camera module or the terminal 90 to perform the jitter test on the cards with different focal lengths, the optical anti-jitter test apparatus further includes a distance-increasing lens 60, and the distance-increasing lens 60 is used for simulating the working distance of the real shooting afocal lens to shorten the test distance. The range-increasing lens 60 can move between the graphic card 40 and the fixing mechanism 10 when zooming is required, namely between the graphic card and the camera module or the terminal 90, and can also move out between the graphic card and the camera module or the terminal 90 when the camera module or the terminal 90 is fixedly installed. The removal of range finder 60 is horizontal migration, and range finder 60 top is equipped with the shielding plate, has seted up on the shielding plate and has dodged the hole, dodges the hole and is used for supplying module or terminal 90 of making a video recording to shoot, and the shielding plate is used for sheltering from the field of vision of module or terminal 90 of making a video recording. Like this, under the unchangeable condition of the space size of test environment, through addding increase range mirror 60 simulation real shot working distance of afocal, effectually shorten the test distance to different test distances of accurate simulation.

Referring to fig. 1, the conveying mechanism 50 is fixed on the supporting frame 84, the translation motor 30 is connected to the conveying mechanism 50, the conveying mechanism 50 is configured to drive the translation motor 30 to move between a first position and a second position, when the translation motor 30 is located at the first position, the camera module or the terminal 90 is far away from the graphic card, when the translation motor 30 is located at the second position, the camera module or the terminal 90 is directly opposite to the graphic card, so that the camera module or the terminal 90 obtains image information, and the graphic card is located on a shooting path of the camera module or the terminal 90, that is, the graphic card is located above the fixing mechanism 10.

Wherein, the lifting mechanism 70 can drive the light source 40 to lift so as to adjust the focal length of the camera module or the terminal 90. The lifting mechanism 70 includes a screw 71, a link 72, a driving member 123, and a tension pulley 73, all of which are connected to the support frame 84. The two screws 71 are connected with the linkage part 72, the two screws 71 extend along the vertical direction, the linkage part 72 is used for enabling the two screws 71 to be linked, namely the two screws 71 can synchronously rotate under the linkage effect of the linkage part 72, the light source 40 is connected with the two screws 71, specifically, two ends of the light source 40 are respectively screwed with one screw 71, and when the screws 71 rotate, the light source 40 can move up and down. The driving member 123 is used for driving one screw rod 71 to rotate so as to drive the other screw rod 71 to rotate synchronously, thereby driving the light source 40 to ascend and descend. Wherein the linkage member 72 may be a track or a chain, which may be loosened after a long period of use, and the tension wheel 73 is rotatably connected to the support bracket 84 and used for tensioning the linkage member 72. Preferably, the lifting mechanism 70 further includes a guide rod 74 extending along the vertical direction, the light source 40 is sleeved on the guide rod 74, and the guide rod 74 is used for limiting the light source 40 from shaking.

The optical anti-shake test device realizes the angle shake of the camera module or the terminal 90 by arranging the shake motor 20, the translational shaking of the camera module or the terminal 90 is realized by arranging the translational motor 30, the camera module or the terminal 90 shoots the picture card in the shaking process, to test the anti-shake performance of the camera module or terminal 90, the conveying mechanism 50 can drive the translation motor 30 to move between the first position and the second position, when the translation motor 30 is at the first position, the camera module or the terminal 90 is far away from the card, and the card does not block the fixing mechanism 10, so that the user can conveniently place the camera module or the terminal 90, when the translation motor 30 is at the second position, the camera module or terminal 90 faces the card, so that the camera module or terminal 90 obtains the image information, and at this time, the shaking motor 20 and the translation motor 30 are simultaneously started, so as to simultaneously perform an angle shake test and a translation shake test on the camera module or the terminal 90.

Referring to fig. 2, specifically, the fixing mechanism 10 includes a supporting plate 11 and a fixing jig 12, the fixing jig 12 is connected to the supporting plate 11 and is used for fixing the camera module or the terminal 90, and the shaking motor 20 can drive the supporting plate 11 to move circularly around a rotation axis passing through the camera module or the terminal 90. Two fixing tools 12 are provided, one fixing tool 12 fixes one camera module or terminal 90, and correspondingly, two light sources 40 and two graphic cards can be provided. The distance between the two fixed jigs 12 and the rotation axis is equal, the support plate 11 extends along the horizontal direction, and the rotation axis extends along the horizontal direction. Each camera module or terminal 90 has a central axis for capturing forward images, the central axis is parallel to the plane of the mobile phone display screen and extends along the length direction of the mobile phone, and it can be understood that the short side direction of the mobile phone is the X direction, the long side direction of the mobile phone is the Y direction, and the central axis is the Y direction. Preferably, the rotation axis is disposed at an included angle with the central axis of the camera module or the terminal 90, i.e., the rotation axis is not overlapped with the X direction and the Y direction. The camera module or terminal 90 can thus perform a shake test in both the X-direction and the Y-direction.

Preferably, the camera module that sets up on camera module or the terminal 90 is located the axis of rotation to the shake that prevents the camera module leads to its level and vertical position to take place great change, and influences the formation of image effect. Wherein, the light source 40, the graphic card, and the camera module of the camera module or the terminal 90 are in the same straight line in the vertical direction, so as to ensure that the camera module can shoot the picture of the graphic card.

In this embodiment, the two camera modules or the two terminals 90 are arranged along the extending direction of the rotation axis, that is, the connection line of the midpoints of the two camera modules or the connection line of the midpoints of the two camera modules at the two terminals coincides with the rotation axis, so as to ensure that the vibration amplitudes and the shooting effects of the two camera modules are consistent.

Referring to fig. 2, specifically, the fixing fixture 12 includes a positioning plate 121, a clamp 122 and a driving member 123, the positioning plate 121 is used for placing the camera module or the terminal 90, and the driving member 123 is used for driving the clamp 122 to clamp the camera module or the terminal 90 on the positioning plate 121. Wherein, anchor clamps 122 can be equipped with a plurality ofly, and a plurality of anchor clamps 122 can be common centre gripping at the edge of making a video recording module or terminal 90 or mobile terminal to fixed module or terminal 90 of making a video recording, and dodge light and make module or terminal 90 of making a video recording obtain the image.

Referring to fig. 2, specifically, the fixing mechanism 10 further includes a base 14 and a moving member 13, the base 14 has an inward concave arc surface, the moving member 13 is fitted to the arc surface, that is, the moving member 13 has an outward convex arc surface fitted to the inward concave lake surface, the supporting plate 11 is connected to the moving member 13, and the shaking motor 20 can drive the moving member 13 to reciprocate along the inward concave arc surface, so that the fixing mechanism 10 rotates to and fro at a preset angle. At this time, due to the guiding action of the concave arc surface, the fixing mechanism 10 realizes reciprocating rotation, and the vibration of the fixing mechanism 10 is also realized. Alternatively, the securing mechanism 10 may be a shaker table.

The optical anti-shake testing device further includes a control mechanism 83, the control mechanism 83 includes a first control button 831 and a second control button 832, and the conveying mechanism 50 can drive the translation motor 30 to move when the first control button 831 and the second control button 832 are simultaneously activated. In this way, the user can only make the conveying mechanism 50 convey the translation motor 30 when pressing the first control button 831 and the second control button 832 at the same time, thereby preventing the user from operating by mistake and improving the reliability of the operation.

In order to ensure the vacuum environment of the camera module or the terminal 90 during testing, the optical anti-shake testing device further comprises a testing box 80, a switch baffle, a vacuum filter and a display 82, wherein the testing box 80 is provided with a sealed cavity, and the vacuum filter is positioned in the sealed cavity and used for vacuumizing the sealed cavity. Light source 40 and drawing card are located test box 80, and test box 80 has seted up the feed port, and the switch baffle can shield in the feed port, avoids leading to the interference that outside light got into and cause because the feed port is open, and vacuum filter begins to carry out vacuum-pumping treatment to sealed chamber this moment. The feed port can also be dodged to the switch baffle to make translation motor 30 can move between primary importance and second position, and be convenient for operating personnel can make a video recording placing and taking of module or terminal 90, display 82 is used for showing the vibration parameter of making a video recording the membrane group.

The optical anti-shake testing device further comprises an alarm mechanism 81, and the alarm mechanism 81 can give an alarm when the shake motor 20 or the translation motor 30 works abnormally, so that an operator can maintain or adjust the optical anti-shake testing device in time. In this embodiment, the alarm 81 is a three-color lamp.

The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalent alterations and improvements, as well as other embodiments of the invention, which are apparent to persons skilled in the art and which do not require any inventive effort, are intended to be within the scope of the invention as defined by the appended claims.

Claims

1. An optical anti-shake test apparatus, comprising:

the fixing mechanism is used for fixing the camera module or the terminal;

2. The optical anti-shake testing apparatus according to claim 1, wherein the rotation axis is disposed at an angle with respect to a central axis of the camera module or the terminal.

3. The optical anti-shake test apparatus according to claim 1, wherein the camera module or the camera module of the terminal is located on the rotation axis, and the light source, the graphic card, and the camera module or the camera module of the terminal are vertically aligned.

4. The optical anti-shake testing apparatus according to claim 1, wherein the fixing mechanism includes a supporting plate and a fixing fixture, the fixing fixture is connected to the supporting plate and is used for fixing the camera module or the terminal, the shake motor is capable of driving the supporting plate to move circumferentially around the rotation axis, and the rotation axis passes through the camera module or the terminal.

5. The optical anti-shake testing apparatus according to claim 4, wherein the fixing fixture includes a positioning plate, a clamp, and a driving member, the positioning plate is used for placing the camera module or the terminal, and the driving member is used for driving the clamp to clamp the camera module or the terminal on the positioning plate.

6. The optical anti-shake testing device according to claim 4, wherein the fixing mechanism includes a base and a moving member, the base has a concave arc surface, the moving member is adapted to the arc surface, the supporting plate is connected to the moving member, and the shaking motor can drive the moving member to move back and forth along the concave arc surface, so that the fixing mechanism rotates back and forth by a predetermined angle.

7. The optical anti-shake apparatus according to claim 1, further comprising a support frame and a lifting mechanism for driving the light source to lift, wherein the lifting mechanism comprises two screws, a linkage member, a driving member and a tension wheel, the screws are connected to the support frame, the two screws extend in a vertical direction and are connected to the linkage member, the linkage member is used for linking the two screws, the light source is connected to the two screws, the driving member is used for driving one screw to rotate so as to drive the other screw to rotate synchronously, thereby driving the light source to lift, and the tension wheel is used for tensioning the linkage member.

8. The optical anti-shake test apparatus according to claim 1, further comprising a conveying mechanism, wherein the conveying mechanism is configured to drive the translation motor to move between a first position and a second position, when the translation motor is in the first position, the camera module or the terminal is away from the card, and when the translation motor is in the second position, the camera module or the terminal is parallel to and centered on the card, so that the camera module or the terminal can obtain image information.

9. The optical anti-shake test device according to claim 8, further comprising a test box, a switch baffle, and a display, wherein the light source and the graphic card are located in the test box, the test box is provided with a feed hole, the switch baffle can cover the feed hole and can avoid the feed hole, so that the translation motor can move between the first position and the second position, and the display is used for displaying the vibration parameters of the camera module.

10. The optical anti-shake test apparatus according to claim 1, further comprising an alarm mechanism capable of giving an alarm when the shake motor or the translation motor is abnormally operated.