CN111787306B - Camera stability detection equipment and detection method - Google Patents
Camera stability detection equipment and detection method Download PDFInfo
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- CN111787306B CN111787306B CN202010608349.9A CN202010608349A CN111787306B CN 111787306 B CN111787306 B CN 111787306B CN 202010608349 A CN202010608349 A CN 202010608349A CN 111787306 B CN111787306 B CN 111787306B
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- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 143
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 20
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses camera stability detection equipment and a detection method, wherein the camera stability detection equipment comprises a rack, a first test station and a second test station are arranged on the rack; the middle part of the test bench is rotationally connected with the rack, clamping mechanisms are arranged at two ends of the test bench, and one of the two clamping mechanisms corresponds to the second test station while the other corresponds to the first test station. One of the clamping mechanism on the first test station and the clamping mechanism on the second test station can clamp the workpiece when clamping the workpiece for pressure test; after the first test station is tested, the test bench rotates to convey the workpiece to the second test station, and the tested workpiece can be taken down from the clamping mechanism and clamped with the next workpiece, so that the process is performed alternately, the time is fully utilized, and the test efficiency is improved.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to camera stability detection equipment.
Background
When producing the camera, need measure the stability of camera module under different operational environment to increase the qualification rate of product.
In the past when measuring camera module stability, complex operation, inefficiency.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides camera stability detection equipment which can improve detection efficiency.
The invention further provides a method for detecting the stability of the camera.
According to the embodiment of the first aspect of the invention, the camera stability detection device comprises a rack, wherein a first test station and a second test station are arranged; the middle part of the test bench is rotationally connected with the frame, clamping mechanisms are arranged at two ends of the test bench, and one of the two clamping mechanisms corresponds to the second test station while the other corresponds to the first test station.
The camera stability detection device provided by the embodiment of the invention has at least the following beneficial effects: one of the clamping mechanism on the first test station and the clamping mechanism on the second test station can clamp a workpiece when clamping the workpiece for pressure test; after the first test station is tested, the test bench rotates 180 degrees, the workpiece is conveyed to the second test station, the tested workpiece can be taken down from the clamping mechanism and clamped with the next workpiece, the process is performed alternately, time is fully utilized, and test efficiency is improved.
According to some embodiments of the invention, the clamping mechanism comprises a bearing block and a pressing block hinged to the bearing block, wherein the bearing block is provided with a mounting groove, the pressing block is provided with a avoiding hole corresponding to the mounting groove, the avoiding hole is used for exposing a workpiece, the bearing block and the pressing block are arranged to conveniently fix the workpiece, and the mounting groove and the avoiding hole can be matched with the workpiece to facilitate clamping.
According to some embodiments of the invention, a drawing board card is arranged on the test bench, the drawing board card is connected with the workpiece, and the drawing board card is used for connecting with the workpiece to drive the workpiece to collect images.
According to some embodiments of the invention, the device further comprises a support, one end of the support is connected with the test board, the other end of the support is connected with the drawing board, and a heat dissipation gap is formed between the drawing board and the test board, so that heat dissipation is facilitated when the drawing board operates.
According to some embodiments of the invention, the clamping device further comprises a pressure mechanism for applying pressure to the workpiece on the clamping mechanism, wherein the pressure mechanism is used for pressing the workpiece to test the stability of the workpiece under the pressure environment.
According to some embodiments of the invention, the pressure mechanism comprises a pressure generating part and a push rod connected with the pressure generating part, one end of the push rod close to the workpiece is provided with a conical end, the pressure generating part is used for providing a power source for pressure, the push rod is used for contacting the workpiece, and the conical end is convenient for accurately aligning a pressed part on the workpiece.
According to some embodiments of the invention, a supporting block is connected to the frame, and the supporting block is used for supporting an end portion of the test bench, and can support the test bench, so that the test bench is prevented from being warped due to upward thrust on an end, close to the pressure mechanism, of the test bench.
According to some embodiments of the invention, the device further comprises a light emitting piece, the light emitting piece is vertically and slidably connected with the frame, the light emitting piece is used for emitting light to facilitate collection of the workpiece, and the light emitting piece vertically slides to adjust the distance from the light emitting piece to the workpiece to facilitate collection of the workpiece.
According to some embodiments of the invention, the test bench further comprises a relay lens, wherein the relay lens is arranged above the test bench and is used for adjusting the focal length, prolonging the focal length to a preset multiple and shortening the test distance, so that the size of the test bench is reduced, and the production cost is reduced.
A method for detecting camera stability comprises the following steps:
clamping, namely clamping a workpiece on a clamping mechanism;
testing open and short circuits, and performing electrical testing on the workpiece at a first testing station;
transferring, namely rotating the test bench by 180 degrees, and transferring the product to a second test station;
Testing stability, wherein the pressure generating piece drives the ejector rod to vertically rise, the ejector rod is pressed upwards, the workpiece is forced to the limit of the workpiece, and the drawing board card drives the workpiece to continuously draw drawings; the pressure generating part drives the ejector rod to vertically descend, the ejector rod is slowly released, and the drawing board card drives the workpiece to continuously draw a drawing;
and after the test bench rotates 180 degrees, taking down the workpiece which is finished by the previous test, and then placing a second workpiece to be tested on a clamping mechanism of the first test station, so that the first test station and the second test station test the corresponding workpiece at the same time.
After the first test station is tested, the test bench rotates 180 degrees, the workpiece is conveyed to the second test station, the tested workpiece can be taken down from the clamping mechanism and clamped with the next workpiece, the process is performed alternately, the time is fully utilized, and the test efficiency is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a camera stability detection device according to an embodiment of the present invention;
fig. 2 is a right side view of the camera stability detection apparatus shown in fig. 1;
FIG. 3 is a right side view of a test stand portion of the camera stability detection apparatus shown in FIG. 1;
FIG. 4 is a schematic structural view of a test stand portion of the camera stability detection apparatus shown in FIG. 1;
Fig. 5 is a schematic structural diagram of a clamping mechanism of the camera stability detection apparatus shown in fig. 1.
The device comprises a rack 100, a test bench 200, a clamping mechanism 210, a receiving block 211, a pressing block 212, a mounting groove 211a, an avoidance hole 212a, a drawing board 220, a bracket 230, a pressure mechanism 300, a pressure generating part 310, an ejector rod 320, a supporting block 110, a luminous part 400, a screw rod 410 and a relay lens 500.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, plural means two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 5, a camera stability detection apparatus includes a frame 100 provided with a first test station and a second test station; the middle part of the test bench 200 is rotatably connected with the frame 100, and two ends of the test bench 200 are respectively provided with a clamping mechanism 210, one of the two clamping mechanisms 210 corresponds to a second test station, and the other corresponds to a first test station. One of the clamping mechanism 210 on the first test station and the clamping mechanism 210 on the second test station can clamp the workpiece when clamping the workpiece for pressure test; after the first test station is tested, the test bench 200 rotates 180 degrees to send the workpiece to the second test station, and the tested workpiece can be taken off from the clamping mechanism 210 and clamped with the next workpiece, so that the process is performed alternately, the time is fully utilized, and the test efficiency is improved. It will be appreciated that referring to fig. 1 and 2, the front and rear clamping mechanisms 210 of the test bench 200 are symmetrical about the rotation axis in the middle of the test bench 200, and the distances from the two clamping mechanisms 210 on the test bench 200 to the rotation center of the test bench 200 are consistent, so that the positions of the clamping mechanisms 210 can be matched after the test bench 200 rotates. It is understood that the workpiece may be an optical element such as a camera, a lens, a convex lens, a concave lens, or a combination thereof.
In some embodiments, the clamping mechanism 210 comprises a bearing block 211 and a pressing block 212 hinged on the bearing block 211, the bearing block 211 is provided with a mounting groove 211a, the pressing block 212 is provided with an avoidance hole 212a corresponding to the mounting groove 211a, the avoidance hole 212a is used for exposing a workpiece, the bearing block 211 and the pressing block 212 are arranged to conveniently fix the workpiece, and the arranged mounting groove 211a and the avoidance hole 212a can be matched with the workpiece to facilitate clamping. It should be noted that, when the clamping mechanism 210 clamps a workpiece, the workpiece may be clamped manually, or may be clamped by a manipulator.
In some embodiments, the clamping mechanism 210 may also be a plug connected to the test bench 200, where a jack is provided on the plug, and the workpiece is plugged into the jack, where it is understood that the workpiece and the jack are in an interference fit, that is, the size of the workpiece is larger than the size of the jack, and the workpiece is expanded by the interference fit of the workpiece and the jack.
In some embodiments, a graphics board 220 is disposed on the test stand 200, the graphics board 220 being coupled to a workpiece, the graphics board 220 being configured to couple to the workpiece to drive the workpiece to capture images. It should be noted that the graphics board 220 is a test box, which is a device commonly used in camera testing technology, available at http:// www.dothinkey.com/products-detail/72. Html.
In some embodiments, the device further includes a support 230, where one end of the support 230 is connected to the test board 200, and the other end is connected to the graphics board 220, and a heat dissipation gap is formed between the graphics board 220 and the test board 200, so as to facilitate heat dissipation during operation of the graphics board 220. It will be appreciated that during use of the device. The drawing board 220 for driving the workpiece to collect the image is easy to generate heat, and a heat dissipation gap is arranged between the drawing board 220 and the test bench 200, so that air can circulate from the bottom of the drawing board 220 to take away the heat of the drawing board 220, and the drawing board 220 is prevented from being damaged due to overhigh heat.
In some embodiments, the apparatus further comprises a pressure mechanism 300, wherein the pressure mechanism 300 is used for applying pressure to the workpiece on the clamping mechanism 210, and the pressure mechanism 300 is used for pressing the workpiece to test the stability of the workpiece under the pressure environment.
In some embodiments, the pressure mechanism 300 includes a pressure generating element 310 and a mandrel 320 connected to the pressure generating element 310, where an end of the mandrel 320 near the workpiece is provided with a tapered end, the pressure generating element 310 is used to provide a power source for pressure, the mandrel 320 is used to contact the workpiece, and the tapered end is convenient to precisely align the pressed portion on the workpiece. It will be appreciated that the pressure generating element 310 may be a pneumatic cylinder, a hydraulic cylinder, or an electric cylinder.
In some embodiments, the pressure mechanism 300 may also include an air pump and a nozzle, the nozzle is communicated with the air pump, the air outlet of the nozzle is aligned with the workpiece, and high-pressure air pumped by the air pump is sprayed on the workpiece through the nozzle to promote the workpiece to deform so as to test the working condition of the workpiece under the pressure environment.
In some embodiments, a rubber head is provided at an end of the lift pin 320 near the workpiece, the rubber head being used to buffer the contact pressure between the lift pin 320 and the workpiece, preventing the lift pin from propping the workpiece.
In some embodiments, the pressing mechanism 300 may be pressed from top to bottom or from bottom to top, referring to fig. 2, the direction in which the pressing mechanism 300 applies the pressing force is from bottom to top, that is, the ejector 320 pushes up the workpiece under the driving of the pressure generating element 310, so as to force the workpiece to deform to test the working condition of the workpiece under the pressure environment, and the pressing from bottom to top is to avoid the relay lens 500, so as to prevent the relay lens 500 from being interfered by the movement of the pressing mechanism 300.
In some embodiments, the stand 100 is connected with a supporting block 110, where the supporting block 110 is used to support an end of the test bench 200, and the supporting block 110 can support the test bench 200, so as to prevent the test bench 200 from being warped due to upward thrust applied to an end of the test bench 200 near the pressure mechanism 300. When one end of the test bench 200 presses the workpiece by the pressing mechanism 300, the entire test bench 200 has a tendency to pitch in the front-rear direction, and the support block 110 is provided to support the other end of the test bench 200, so that the tendency of the test bench 200 to pitch in the front-rear direction is reduced.
In some embodiments, the device further comprises a light emitting piece 400, the light emitting piece 400 is connected with the frame 100 in a vertically sliding manner, the light emitting piece 400 is used for emitting light, the work piece is convenient to collect, the light emitting piece 400 vertically slides, the distance from the light emitting piece 400 to the work piece is used for adjusting, and the work piece is convenient to collect.
In some embodiments, the light emitting member 400 is connected to the frame 100 through the screw 410, the screw 410 is in threaded connection with the light emitting member 400, the screw 410 rotates to drive the light emitting member 400 to vertically lift, and the screw 410 has a simple structure, stable lifting and high precision.
In some embodiments, the plurality of screws 410 are arranged, the same ends of the plurality of screws 410 are in transmission connection, one of the plurality of screws 410 rotates to drive the other screws 410 to synchronously rotate, and the plurality of screws can ensure that the light emitting member 400 can stably ascend and descend. It will be appreciated that the same end of the plurality of lead screws 410 may be in belt drive connection or chain drive connection.
In some embodiments, one of the plurality of lead screws 410 is connected to a motor or handle, and when one of the plurality of lead screws 410 is connected to the motor, the motor can drive the plurality of lead screws 410 to rotate; when one of the plurality of screw rods 410 is connected to the handle, the plurality of screw rods 410 are manually controlled to rotate.
In some embodiments, the device further includes a relay lens 500, where the relay lens 500 is disposed above the test bench 200, and the relay lens 500 is used to adjust the focal length, lengthen the focal length to a predetermined multiple, and shorten the test distance, thereby reducing the size of the test bench and reducing the production cost. It should be understood that the relay lens 500 can shorten the testing distance of the mobile phone, simulate different testing distances, and reduce the height of the light emitting element 400, the production cost and the size of the machine during the testing process.
A method for detecting camera stability comprises the following steps:
clamping, namely clamping a workpiece on the clamping mechanism 210;
testing open and short circuits, and performing electrical testing on the workpiece at a first testing station;
Transferring, namely rotating the test bench 200 by 180 degrees, and transferring the product to a second test station;
Testing stability, wherein the pressure generating piece 310 drives the ejector rod 320 to vertically rise, the ejector rod 320 is pressed upwards, the workpiece is forced to the limit of the workpiece, and the drawing board 220 drives the workpiece to continuously draw a drawing; the pressure generating part 310 drives the ejector rod 320 to vertically descend, the ejector rod 320 slowly releases, and the drawing board 220 drives the workpiece to continuously draw a drawing;
after the test bench 200 rotates 180 degrees, the workpiece subjected to the previous test is taken down, and then a second workpiece to be tested is placed on the clamping mechanism 210 of the first test station, so that the first test station and the second test station test the corresponding workpieces simultaneously.
After the first test station is tested, the test bench 200 rotates 180 degrees to send the workpiece to the second test station, and the tested workpiece can be taken off from the clamping mechanism 210 and clamped with the next workpiece, so that the process is performed alternately, the time is fully utilized, and the test efficiency is improved. It is understood that the electrical test is to test the electrical performance of the camera, such as open-short circuit of the internal circuit of the camera or sensitivity of the camera.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (4)
1. A camera stability detection apparatus, comprising:
A frame (100) provided with a first test station and a second test station;
The middle part of the test bench (200) is rotationally connected with the frame (100), clamping mechanisms (210) are arranged at two ends of the test bench (200), and one of the two clamping mechanisms (210) corresponds to the first test station when the other clamping mechanism corresponds to the second test station;
The clamping mechanism (210) comprises a bearing block (211) and a pressing block (212) hinged to the bearing block (211), wherein an installation groove (211 a) is formed in the bearing block (211), an avoidance hole (212 a) corresponding to the installation groove (211 a) is formed in the pressing block (212), and the avoidance hole (212 a) is used for exposing a workpiece;
The test bench (200) is provided with a drawing board card (220), and the drawing board card (220) is used for connecting a workpiece to drive the workpiece to collect images;
The test board also comprises a bracket (230), wherein one end of the bracket (230) is connected with the test board (200), the other end of the bracket is connected with the drawing board (220), and a heat dissipation gap is formed between the drawing board (220) and the test board (200);
the clamping device further comprises a pressure mechanism (300), wherein the pressure mechanism (300) is used for applying pressure to a workpiece on the clamping mechanism (210);
The pressure mechanism (300) comprises a pressure generating part (310) and a push rod (320) connected with the pressure generating part (310), one end of the push rod (320) close to a workpiece is provided with a conical end, the pressure generating part (310) is used for providing a power source for pressure, the push rod (320) is used for contacting the workpiece, and the conical end is convenient for accurately aligning a pressed part on the workpiece;
The stand (100) is connected with a supporting block (110), and the supporting block (110) is used for supporting the end part of the test bench (200).
2. The camera stability detection apparatus according to claim 1, wherein: the device also comprises a light emitting piece (400), wherein the light emitting piece (400) is vertically connected with the frame (100) in a sliding manner.
3. A camera stability detection apparatus according to claim 1 or 2, characterized in that: the test bench also comprises a relay mirror (500), wherein the relay mirror (500) is arranged above the test bench (200), and the relay mirror (500) is used for adjusting the focal length.
4. A method for detecting camera stability, characterized in that the camera stability detection apparatus of claim 1 is used, the method comprising the steps of:
clamping, namely clamping a workpiece on a clamping mechanism (210);
testing open and short circuits, and performing electrical testing on the workpiece at a first testing station;
transferring, namely rotating the test bench (200) for 180 degrees, and transferring the product to a second test station;
Testing stability, wherein the pressure generating piece (310) drives the ejector rod (320) to vertically rise, the ejector rod (320) is pressed upwards, the workpiece is forced to the limit of the workpiece, and the drawing board card (220) drives the workpiece to continuously draw drawings; the pressure generating piece (310) drives the ejector rod (320) to vertically descend, the ejector rod (320) slowly releases, and the drawing board card (220) drives the workpiece to continuously draw the drawing;
And (3) alternately testing, after the test bench (200) rotates 180 degrees, taking down the workpiece which is finished by the previous test, and then placing a second workpiece to be tested on a clamping mechanism (210) of the first test station, so that the first test station and the second test station test the corresponding workpiece at the same time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608349.9A CN111787306B (en) | 2020-06-29 | 2020-06-29 | Camera stability detection equipment and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608349.9A CN111787306B (en) | 2020-06-29 | 2020-06-29 | Camera stability detection equipment and detection method |
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| CN111787306A CN111787306A (en) | 2020-10-16 |
| CN111787306B true CN111787306B (en) | 2024-08-09 |
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| CN115932450A (en) * | 2022-12-28 | 2023-04-07 | 江苏海莱新创医疗科技有限公司 | Electrode detection equipment and system for tumor electric field therapy |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203837902U (en) * | 2014-04-29 | 2014-09-17 | 珠海市广浩捷精密机械有限公司 | Double-station camera testing machine |
| CN212381324U (en) * | 2020-06-29 | 2021-01-19 | 珠海广浩捷科技股份有限公司 | Camera stability check out test set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101804866B1 (en) * | 2016-09-27 | 2017-12-06 | (주) 네스텍코리아 | The camera module assembly with a gripper device for two-way fixed-function |
| CN106961599B (en) * | 2017-03-31 | 2019-08-09 | 宁波舜宇光电信息有限公司 | Mobile phone camera module dynamic stress testing device and method |
| CN107302698B (en) * | 2017-07-21 | 2023-07-07 | 珠海广浩捷科技股份有限公司 | Wide-angle camera one-driving-two-station full-automatic focusing machine |
| CN207665112U (en) * | 2017-09-08 | 2018-07-27 | 东莞华贝电子科技有限公司 | The overpressure resistance detecting device and system that camera focuses |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203837902U (en) * | 2014-04-29 | 2014-09-17 | 珠海市广浩捷精密机械有限公司 | Double-station camera testing machine |
| CN212381324U (en) * | 2020-06-29 | 2021-01-19 | 珠海广浩捷科技股份有限公司 | Camera stability check out test set |
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