CN112468804A - Camera test equipment - Google Patents
Camera test equipment Download PDFInfo
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- CN112468804A CN112468804A CN202011530706.0A CN202011530706A CN112468804A CN 112468804 A CN112468804 A CN 112468804A CN 202011530706 A CN202011530706 A CN 202011530706A CN 112468804 A CN112468804 A CN 112468804A
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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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Abstract
The invention discloses a camera testing device, which comprises a workbench, a feeding mechanism, an OC testing mechanism and a definition testing mechanism, wherein the workbench is also provided with a first testing station and a second testing station; the definition testing mechanism comprises a plurality of testing board modules; the two test board modules are respectively arranged at two sides of the second test station, the rest test board modules are arranged above the feeding mechanism around the second test station, and the distance between the center of each test board module and the center of the second test station is equal. The test board modules are arranged, so that analytical force tests can be performed on a plurality of fields of view in the field angle of the camera to be tested, the test result of the analytical force is close to the actual test result, and powerful guarantee is provided for the processing processes of correction and the like of the camera.
Description
Technical Field
The invention relates to the technical field of camera testing, in particular to camera testing equipment.
Background
With the breakthrough of ultra-high resolution sensor technology and the rapid increase of processing speed of signal processors, ultra-high resolution cameras are increasingly popularized in various fields. In consideration of the convenience of volume, installation, maintenance, use and the like, the fisheye lens with the ultra-large visual field is widely applied to the fields of automobiles, monitoring and the like.
The fisheye lens belongs to a special lens in an ultra-wide-angle lens, and has a wider field angle compared with a common lens, so that more image information can be acquired. Images recorded by the fisheye lens are all scene distortion images in a wide view field, so that the distortion phenomenon needs to be corrected in the manufacturing process of the fisheye lens, and the correction of the fisheye lens needs to test the resolving power of the fisheye lens. However, most of the existing devices for testing the resolving power of the fisheye lens have complicated structures, and the testing results are not ideal, so that the tested resolving power is greatly different from the actual resolving power.
Disclosure of Invention
The invention aims to provide camera testing equipment which is provided with a plurality of test board modules and can test analytic force of a plurality of fields of view in the field angle of a camera to be tested, so that the test result of the analytic force is close to the actual result, powerful guarantee is provided for the processing processes of correction and the like of the camera, and the equipment is reasonable in overall design, stable in structure, convenient to use and high in practicability.
In order to realize the purpose, the following technical scheme is adopted:
a camera testing device comprises a workbench, a feeding mechanism, an OC testing mechanism and a definition testing mechanism, wherein the workbench is also provided with a first testing station and a second testing station; the definition testing mechanism comprises a plurality of testing board modules; the two test board modules are respectively arranged at two sides of the second test station, the rest test board modules are arranged above the feeding mechanism around the second test station, and the distance between the center of each test board module and the center of the second test station is equal.
Furthermore, the number of the test board modules above the second test station is set to be 9, one of the test board modules is located right above the second test station, and a test board module is further respectively arranged on four sides of the test board module; the four corners of the top of the workbench are provided with installation stand columns, and the rest four test board modules are respectively installed on the installation stand columns.
Furthermore, the included angle between the two test board modules positioned at the two sides of the second test station and the plane where the workbench is positioned is 90 degrees; the test board modules positioned right above the second test station are arranged in parallel with the workbench, and the included angles between the four test board modules positioned on the periphery of the test board modules and the plane of the workbench are 30 degrees; the included angle between each test board module arranged on the mounting upright post and the plane of the workbench is 60 degrees.
Furthermore, the two sides of the second testing station are respectively provided with a mounting frame, and the testing board modules positioned on the two sides of the second testing station are slidably mounted on the mounting frames.
Furthermore, each test board module comprises a test frame, a backlight source arranged on the test frame, an evaluation chart board arranged on one side of the backlight source and connected with the test frame in a sliding manner, and a first handle arranged at one end of the evaluation chart board.
Further, feed mechanism includes the first translation mechanism who arranges along workstation length direction, with the first sliding seat of first translation mechanism drive connection and install the bearing jig who is used for placing the camera that awaits measuring on first sliding seat.
Further, the bearing jig comprises a bearing seat arranged on the first sliding seat, a first lifting mechanism arranged on the bearing seat, a first lifting seat movably arranged on the bearing seat and in driving connection with the first lifting mechanism, a bottom plate arranged on the first lifting seat, a second translation mechanism arranged on the bottom plate and perpendicular to the first translation mechanism, a first sliding plate movably arranged on the bottom plate and in driving connection with the second translation mechanism, and a jig seat arranged on the first sliding plate and used for bearing the camera to be tested.
Furthermore, the bearing seat is provided with a first cavity with an opening at the top, the first lifting mechanism comprises a first rotating shaft arranged on the inner wall of one side of the first cavity, a rotating block arranged on the first rotating shaft, and a first differential adjusting screw rod which is abutted against the rotating block and one end of which movably penetrates out of the end part of the bearing seat; the both sides of bearing the seat still all are equipped with a plurality of slide rails, and first lift seat arranges on bearing the seat through a plurality of slide rail activities, and the bottom and the rotatory piece butt of first lift seat.
Further, the second translation mechanism comprises a fixed seat arranged on one side of the bottom plate, a second differential adjusting screw rod installed on the fixed seat, and a moving seat arranged on one side of the first sliding plate and abutted against the second differential adjusting screw rod.
Furthermore, the OC test mechanism includes the test jig, installs the second elevating system in test jig one side to and the spherical light source of being connected with the drive of second elevating system.
By adopting the scheme, the invention has the beneficial effects that:
1) the test board modules are arranged, so that analytical force tests can be performed on a plurality of fields of view in the field angle of the camera to be tested, the test result of the analytical force is close to the actual test result, and powerful guarantee is provided for the processing processes of correction and the like of the camera;
2) the evaluating drawing board of the test board module is connected with the test frame in a sliding manner, and the evaluating drawing board can be pulled to slide through the first handle, so that the test board module is convenient to replace and mount;
3) through the mutual cooperation of first elevating system and second translation mechanism, can finely tune the position of tool seat, and then improve the measuring accuracy.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of FIG. 1 with the frame omitted;
FIG. 3 is a top perspective view of the position distribution of the test board module according to the present invention;
FIG. 4 is a perspective view of the test board module of the present invention;
FIG. 5 is a perspective view of the feeding mechanism and OC testing mechanism of the present invention;
FIG. 6 is an exploded view of the carrying fixture of the present invention;
wherein the figures identify the description:
1-a workbench; 2, a feeding mechanism;
3-OC testing mechanism; 4-testing the board module;
5, a frame; 6, a connecting frame;
11-mounting a stand column; 12-a mounting frame;
21-a first translation mechanism; 22-a first slide mount;
23, carrying a jig; 31-a test jig;
32-a second lifting mechanism; 33-a spherical light source;
41-test frame; 42-evaluation chart board;
43 — first handle; 231-a carrying seat;
232-a first lifting mechanism; 233 — a first lifting seat;
234-base plate; 235-a second translation mechanism;
236 — a first slide plate; 237-jig base.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 to 6, the invention provides a camera testing device, which comprises a workbench 1, a feeding mechanism 2 installed on the workbench 1, an OC testing mechanism 3 arranged on one side of the feeding mechanism 2 and located above a first testing station, and a definition testing mechanism arranged around a second testing station, wherein the workbench 1 is also provided with the first testing station and the second testing station; the definition testing mechanism comprises a plurality of testing board modules 4; two of the test board modules 4 are respectively arranged at two sides of the second test station, the rest test board modules 4 are arranged above the feeding mechanism 2 around the second test station, and the distance between the center of each test board module 4 and the center of the second test station is equal.
The number of the test board modules 4 above the second test station is set to be 9, wherein one test board module 4 is located right above the second test station, and the four sides of the test board module 4 are respectively provided with one test board module 4; four corners of the top of the workbench 1 are respectively provided with an installation upright post 11, and the rest four test board modules 4 are respectively installed on the installation upright posts 11; the included angle between the two test board modules 4 positioned at the two sides of the second test station and the plane of the workbench 1 is 90 degrees; the test board modules 4 positioned right above the second test station are arranged in parallel to the workbench 1, and the included angles between the four test board modules 4 positioned on the peripheral sides of the test board modules 4 and the plane of the workbench 1 are 30 degrees; the included angle between each test board module 4 arranged on the mounting upright post 11 and the plane of the workbench 1 is 60 degrees; and two mounting frames 12 are respectively arranged on two sides of the second testing station, and the testing board modules 4 positioned on two sides of the second testing station are slidably mounted on the mounting frames 12.
Each test board module 4 comprises a test frame 41, a backlight source arranged on the test frame 41, an evaluation chart board 42 arranged on one side of the backlight source and connected with the test frame 41 in a sliding manner, and a first handle 43 arranged at one end of the evaluation chart board 42; the feeding mechanism 2 comprises a first translation mechanism 21 arranged along the length direction of the workbench 1, a first sliding seat 22 in driving connection with the first translation mechanism 21, and a bearing jig 23 which is arranged on the first sliding seat 22 and used for placing a camera to be tested; the bearing fixture 23 includes a bearing seat 231 disposed on the first sliding seat 22, a first lifting mechanism 232 mounted on the bearing seat 231, a first lifting seat 233 movably disposed on the bearing seat 231 and drivingly connected to the first lifting mechanism 232, a bottom plate 234 disposed on the first lifting seat 233, a second translating mechanism 235 disposed on the bottom plate 234 perpendicular to the first translating mechanism 21, a first sliding plate 236 movably disposed on the bottom plate 234 and drivingly connected to the second translating mechanism 235, and a fixture seat 237 mounted on the first sliding plate 236 for bearing the camera to be tested.
The bearing seat 231 is provided with a first cavity with an opening at the top, and the first lifting mechanism 232 comprises a first rotating shaft arranged on the inner wall of one side of the first cavity, a rotating block arranged on the first rotating shaft, and a first differential adjusting screw which is abutted against the rotating block and one end of which movably penetrates out of the end part of the bearing seat 231; a plurality of slide rails are arranged on both sides of the bearing seat 231, the first lifting seat 233 is movably arranged on the bearing seat 231 through the slide rails, and the bottom of the first lifting seat 233 is abutted against the rotating block; the second translation mechanism 235 comprises a fixed seat arranged on one side of the bottom plate 234, a second differential adjusting screw rod arranged on the fixed seat, and a moving seat arranged on one side of the first sliding plate 236 and abutted with the second differential adjusting screw rod; the OC testing mechanism 3 includes a testing jig 31, a second lifting mechanism 32 installed at one side of the testing jig 31, and a spherical light source 33 drivingly connected to the second lifting mechanism 32.
The working principle of the invention is as follows:
with continued reference to fig. 1 to 6, the apparatus further comprises a rack 5, a cabinet door and an operation console are further arranged on the front surface of the rack 5, and a keyboard and a mouse are further mounted on the operation console; the top of the frame 5 is also provided with a first groove, a three-color indicator lamp is also arranged in the first groove, the three-color indicator lamp is rotatably connected with the inner wall of the first groove, and can be accommodated in the first groove when the three-color indicator lamp is not used, and in addition, the bottom of the frame 5 is also provided with a caster foot cup; the workbench 1 is arranged in the middle of the inside of the rack 5, and an industrial personal computer is further arranged at the lower part of the inside of the rack 5; the top inner wall of frame 5 still is equipped with link 6, and 5 that are located second test station top are surveyed test panel module 4 and are all installed on link 6.
The workbench 1 is provided with two testing stations, and the feeding mechanism 2 can move the camera to be tested to the first testing station and the second testing station in sequence to complete the test; in this embodiment, the sharpness testing mechanism includes 11 test board modules 4, and the distance between the center of each test board module 4 and the center of the second testing station is set to be 500 mm; the included angle between the two test board modules 4 positioned on two sides of the second test station and the plane of the workbench 1 is 90 degrees, the test board module 4 positioned right above the second test station is horizontally arranged, the included angle between the 4 test board modules 4 arranged around the horizontally arranged test board module 4 and the plane of the workbench 1 is 30 degrees, the included angle between the test board module 4 arranged on the mounting upright post 11 and the plane of the workbench 1 is 60 degrees, and through the arrangement, a plurality of view fields (11 view angles are designed) in the view angle of the camera to be tested can be obtained for carrying out analysis force (definition) test, so that the test result of the analysis force is close to the reality, and further powerful guarantee is provided for the processing processes of correction and the like of the camera; in addition, the evaluation chart 42 of each test board module 4 is also connected with the test frame 41 in a sliding manner, and the evaluation chart 42 can be driven to slide by the first handle 43, so that the evaluation chart 42 can be replaced and installed, and the test board is simple and convenient; the brightness of each test board module 4 is 0-5000 LUX, the color temperature is 6200-6800, and the test board module can support visible light and 810nm infrared waves; meanwhile, the test board modules 4 positioned on two sides of the second test station are connected with the mounting frame 12 in a sliding mode, and the mounting height of the test board modules can be adjusted manually to adapt to different test requirements.
The OC testing mechanism 3 is located on one side of the feeding mechanism 2, a first testing station is located below a spherical light source 33 of the OC testing mechanism 3, the OC testing mechanism 3 can test OC (center of gravity offset), POD (particles and stains on a mold), POG (particles and stains on a lens) and the like of a camera, and a second lifting mechanism 32 of the OC testing mechanism 3 comprises a first slide rail module and a first lead screw module which are arranged on one side of the testing frame 31 in the vertical direction, and a first motor which is in driving connection with the first lead screw module; the spherical light source 33 is in driving connection with the first lead screw module, and the first motor is used for driving the spherical light source 33 to lift through the first lead screw module so as to adjust the height of the spherical light source 33; the first translation mechanism 21 of the feeding mechanism 2 may be a linear motor module, which is not limited herein; the jig base 237 is arranged on the first sliding plate 236, and the position of the jig base 237 can be finely adjusted through the first lifting mechanism 232 and the second translation mechanism 235 so as to be focused and then tested (the first lifting mechanism 232 and the second translation mechanism 235 of the bearing jig 23 can also adopt automatic components such as cylinders and motors, and the like, so that when a product is tested for definition, the automatic focusing is remotely controlled through a background, and the operation is convenient); as shown in fig. 6, the jig base 237 includes a jig base plate disposed on the first slide plate 236, a plurality of first adjustment bolts mounted on the jig base plate, a first jig lifting plate disposed on the first adjustment bolts, a plurality of second adjustment bolts mounted on the first jig lifting plate, a jig top plate disposed on the second adjustment bolts, and a jig body mounted on the jig top plate; the jig body is provided with a limiting groove for placing a camera and a rotary clamping module for limiting and fixing the camera in the limiting groove; the height of the jig body can be further finely adjusted through the first adjusting bolt and the second adjusting bolt, and then the testing precision can be improved.
The working process of the invention is as follows:
1) placing the camera to be tested on the jig seat 237;
2) the jig base 237 is moved to a second testing station (the distance from the center of the worktable 1 to each testing board module 4 is 500mm) by the first translation mechanism 21, and the definition test is completed;
3) the fixture is moved to a position below the spherical light source 33 (the first testing station) to complete the functional tests of OC, POD, POG, etc.
The present invention is described in connection with the preferred embodiments, and it is to be understood that the invention is not limited to the disclosed embodiments.
Claims (10)
1. A camera testing device comprises a workbench, and a first testing station and a second testing station are also arranged on the workbench, and is characterized by further comprising a feeding mechanism arranged on the workbench, an OC testing mechanism arranged on one side of the feeding mechanism and located above the first testing station, and a definition testing mechanism arranged around the second testing station; the definition testing mechanism comprises a plurality of testing board modules; the two test board modules are respectively arranged at two sides of the second test station, the rest test board modules are arranged above the feeding mechanism around the second test station, and the distance between the center of each test board module and the center of the second test station is equal.
2. The camera testing apparatus according to claim 1, wherein the number of the testing board modules located above the second testing station is set to 9, one of the testing board modules is located right above the second testing station, and one testing board module is further respectively arranged on four sides of the testing board module; the four corners of the top of the workbench are provided with installation stand columns, and the rest four test board modules are respectively installed on the installation stand columns.
3. The camera testing device according to claim 2, wherein an included angle between the two testing board modules located at the two sides of the second testing station and the plane of the workbench is 90 °; the test board modules positioned right above the second test station are arranged in parallel with the workbench, and the included angles between the four test board modules positioned on the periphery of the test board modules and the plane of the workbench are 30 degrees; the included angle between each test board module arranged on the mounting upright post and the plane of the workbench is 60 degrees.
4. The camera testing device of claim 3, wherein a mounting frame is further disposed on each of two sides of the second testing station, and the testing board modules disposed on each of the two sides of the second testing station are slidably mounted on the mounting frame.
5. The camera test device according to claim 4, wherein each test board module comprises a test frame, a backlight source mounted on the test frame, an evaluation chart board arranged on one side of the backlight source and slidably connected with the test frame, and a first handle mounted at one end of the evaluation chart board.
6. The camera testing device according to claim 1, wherein the feeding mechanism comprises a first translation mechanism arranged along the length direction of the workbench, a first sliding seat in driving connection with the first translation mechanism, and a bearing fixture mounted on the first sliding seat for placing the camera to be tested.
7. The camera testing device of claim 6, wherein the carrying fixture comprises a carrying base disposed on the first sliding base, a first lifting mechanism mounted on the carrying base, a first lifting base movably disposed on the carrying base and drivingly connected to the first lifting mechanism, a base plate disposed on the first lifting base, a second translating mechanism disposed on the base plate perpendicular to the first translating mechanism, a first sliding plate movably disposed on the base plate and drivingly connected to the second translating mechanism, and a fixture base mounted on the first sliding plate for carrying the camera to be tested.
8. The camera testing device according to claim 7, wherein the bearing base is provided with a first cavity with an opening at the top, the first lifting mechanism comprises a first rotating shaft mounted on the inner wall of one side of the first cavity, a rotating block mounted on the first rotating shaft, and a first differential adjusting screw which is abutted against the rotating block and one end of which movably penetrates out of the end of the bearing base; the both sides of bearing the seat still all are equipped with a plurality of slide rails, and first lift seat arranges on bearing the seat through a plurality of slide rail activities, and the bottom and the rotatory piece butt of first lift seat.
9. The camera testing device of claim 8, wherein the second translation mechanism comprises a fixed base disposed on a side of the base plate, a second differential adjusting screw mounted on the fixed base, and a movable base disposed on a side of the first sliding plate and abutting against the second differential adjusting screw.
10. The camera testing device of claim 1, wherein the OC testing mechanism comprises a testing jig, a second elevating mechanism mounted on one side of the testing jig, and a spherical light source drivingly connected to the second elevating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011530706.0A CN112468804A (en) | 2020-12-22 | 2020-12-22 | Camera test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011530706.0A CN112468804A (en) | 2020-12-22 | 2020-12-22 | Camera test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112468804A true CN112468804A (en) | 2021-03-09 |
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ID=74804555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011530706.0A Pending CN112468804A (en) | 2020-12-22 | 2020-12-22 | Camera test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112468804A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117472677A (en) * | 2023-12-26 | 2024-01-30 | 深圳市魔力信息技术有限公司 | Face recognition equipment testing method and testing system |
-
2020
- 2020-12-22 CN CN202011530706.0A patent/CN112468804A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117472677A (en) * | 2023-12-26 | 2024-01-30 | 深圳市魔力信息技术有限公司 | Face recognition equipment testing method and testing system |
| CN117472677B (en) * | 2023-12-26 | 2024-03-08 | 深圳市魔力信息技术有限公司 | Face recognition equipment testing method and testing system |
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