CN213118181U

CN213118181U - FOV angle test equipment

Info

Publication number: CN213118181U
Application number: CN202021891171.5U
Authority: CN
Inventors: 侯晓凯
Original assignee: Shanghai Yanding Information Technology Co ltd
Current assignee: Shanghai Yanding Information Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-05-04
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to a camera test technical field discloses a FOV angle test equipment, including the equipment frame, the upper portion of equipment frame is equipped with the shrouding, the middle part of equipment frame is equipped with linear guide, linear guide's middle part sliding connection guide rail slider, and the front side of guide rail slider is equipped with the locking handle, and the upper portion of guide rail slider is equipped with the oscilaltion platform, and the upper portion of oscilaltion platform is equipped with the manual rotation cloud platform, and the upper portion of manual rotation cloud platform is equipped with the triaxial fine setting cloud platform, and the upper portion of triaxial fine setting cloud platform is equipped with the fine setting cross cloud platform, and the upper portion of fine setting cross cloud platform is equipped with the grip slipper, the top of equipment frame is equipped with perpendicular laser. The utility model is suitable for an FOV angle test equipment installs, can install the camera of multiple classification, and is unlimited to the camera angle of vision size that will test, and it is more convenient, swift that the customer uses.

Description

FOV angle test equipment

Technical Field

The utility model relates to a camera test technical field specifically is a FOV angle test equipment.

Background

Along with the increasingly extensive in camera market development, cell-phone and camera, security protection surveillance camera head, car camera and unmanned aerial vehicle camera etc. can often be seen in the life. The field angle of the camera is gradually increased, and the visible range is gradually increased. Particularly, an ultra-wide-angle camera appears in a mobile phone, and the visible range of the camera of the unmanned automobile exceeds 180 degrees in the future.

In an optical instrument, a lens of the optical instrument is used as a vertex, and an angle of view is formed by an included angle formed by two edges of the maximum range through which an object image of a measured object can pass through the lens. At present, a direct shooting method is mostly adopted for testing the angle of view of the camera fov, the linear distance oc between the camera and a graphic card is determined by using a laser range finder or a graduated scale, then the camera directly shoots the graphic card with the graduation in front of the card to obtain the transverse distance ab, and then the angle of view can be converted.

However, the existing test methods have a certain localization:

1) the device is only for a specific kind of camera, such as a mobile phone;

2) the size of the angle of view test of the camera is limited, and a larger angle of view cannot be tested. Or a larger field of view, requires a larger test apparatus.

3) The angle of view of the infrared camera cannot be tested.

SUMMERY OF THE UTILITY MODEL

The utility model provides a FOV angle test equipment has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a FOV angle test equipment, includes the equipment frame, and the upper portion of equipment frame is equipped with the shrouding, the middle part of equipment frame is equipped with linear guide, linear guide's middle part sliding connection rail block, and rail block's front side is equipped with the locking handle, and rail block's upper portion is equipped with the oscilaltion platform, and the upper portion of oscilaltion platform is equipped with manual rotation cloud platform, and the upper portion of manual rotation cloud platform is equipped with triaxial fine setting cloud platform, and the upper portion of triaxial fine setting cloud platform is equipped with fine setting cross cloud platform, and the upper portion of fine setting cross cloud platform is equipped with the grip slipper, the top of equipment frame is equipped with perpendicular laser calibration device, and the backplate middle part of equipment frame is equipped with horizontal laser calibration device, the upper.

As a preferred technical scheme of the utility model, the lower part of equipment frame is equipped with light source controller.

As an optimized technical scheme of the utility model, the right side of equipment frame is equipped with the push-and-pull door.

As a preferred technical scheme of the utility model, the test chart is conventional fov chart or infrared fov chart.

As an optimized technical scheme of the utility model, the right side lower part of guide rail slider is equipped with the slider pointer.

As an optimized technical scheme of the utility model, linear guide's side is equipped with the scale.

As an optimized technical scheme of the utility model, the upper portion of grip slipper is equipped with horizontal centre gripping anchor clamps.

As an optimized technical scheme of the utility model, the upper portion of grip slipper is equipped with perpendicular centre gripping anchor clamps.

As an optimal technical scheme of the utility model, the upper portion of grip slipper is equipped with car camera anchor clamps.

As an optimized technical scheme of the utility model, the bottom of equipment frame is equipped with the truckle.

The utility model discloses have following useful part:

the utility model is suitable for an installation of FOV angle test equipment can install the camera of multiple classification, and is unlimited to the camera angle of vision size that will test, can test infrared camera's angle of vision, and supporting different test card and adjustable light source can carry out the ghost analysis simultaneously, and the application trade is more extensive, covers trade camera test fields such as cell-phone, car, security protection, and the customer uses more convenient, swift.

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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a FOV angle testing apparatus mounted with a conventional FOV graphic card.

Fig. 2 is a schematic structural diagram of a horizontal laser calibration device and a vertical laser calibration device in an FOV angle testing apparatus.

Fig. 3 is a schematic structural diagram of an infrared FOV graphic card installed on a FOV angle testing apparatus.

Fig. 4 is a schematic structural view of a horizontal clamping jig in the FOV angle testing apparatus.

Fig. 5 is a schematic structural view of a vertical clamping jig in the FOV angle testing apparatus.

Fig. 6 is a schematic structural view of an automobile camera clamp in an FOV angle testing apparatus.

In the figure: 1. an equipment frame; 2. a linear guide rail; 3. a sliding door; 4. locking the handle; 5. a guide rail slider; 6. an up-down lifting platform; 7. manually rotating the cradle head; 8. finely adjusting the cross-shaped holder; 9. a clamping seat; 10. closing the plate; 11. testing the graphic card; 12. a vertical laser calibration device; 13. a horizontal laser calibration device; 14. a light source controller; 15. fixing the section bar; 16. horizontally clamping a clamp; 17. vertically clamping a clamp; 18. an automotive camera fixture; 19. a slider pointer; 20. a caster wheel; 21. three-axis fine-tuning holder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 6, a FOV angle testing apparatus includes an apparatus frame 1, a light source controller 14 is disposed at a lower portion of the apparatus frame 1, a sliding door 3 is disposed at a right side of the apparatus frame 1, and a sealing plate 10 is disposed at an upper portion of the apparatus frame 1. In order to facilitate transportation and installation, the equipment is divided into an upper frame, a lower frame and an adjusting device, a connecting part is provided with a positioning pin, an equipment shell mainly takes an aluminum profile as a main part, surface oxidation treatment is carried out, and an acrylic sealing plate 10 is adopted. The connecting and fixing are carried out through the bolts and the corner fittings, and the disassembly is convenient. The right side adopts the design of push-and-pull door 3, conveniently observes the condition inside the equipment and conveniently changes the picture card.

The middle part of equipment frame 1 is equipped with linear guide 2, linear guide 2's middle part sliding connection rail block 5, rail block 5's right side lower part is equipped with slider pointer 19, linear guide 2's side is equipped with the scale, rail block 5's front side is equipped with locking handle 4, rail block 5's upper portion is equipped with oscilaltion platform 6, oscilaltion platform 6's upper portion is equipped with manual rotation cloud platform 7, manual rotation cloud platform 7's upper portion is equipped with triaxial fine setting cloud platform 21, triaxial fine setting cloud platform 21's upper portion is equipped with fine setting cross cloud platform 8. The camera six-axis fine adjustment device mainly comprises a fine adjustment cross pan-tilt 8, a three-axis fine adjustment pan-tilt 21, an up-down lifting table 6 and a front-back linear gauge; the main function is to adjust the position and angle of the camera to be 500mm away from the position of the test card 11 and to be relatively parallel to the test card 11. The fine tuning cross tripod head 8 can realize the fine tuning function of front, back, left and right, the front and back movement is 150mm, the left and right movement is 140mm, the precision is accurate to millimeter, the driving part adopts the spiral movement size, the precision focusing such as close-up, copying is more stable, and the surface adopts the aluminum alloy material oxidation treatment to greatly prolong the service life of the tripod head. The three-axis fine-tuning pan-tilt 21 is light in design and provides gear motion in three axes, namely horizontal swinging, front-back pitching and left-right rolling. Wherein the angular range of lateral tilt is-90 °/+30 °, pitch-30 °/+90 ° back and forth, and pan rotation 360 °. The upper and lower lifting tables 6 adopt a shear type lifting principle, are driven by a fine grinding screw rod, have an effective stroke of 60mm, adopt aluminum alloy and adopt a surface oxidation blackening treatment process. The linear guide rail 2 and the guide rail sliding block 5 form a front linear wire gauge and a rear linear wire gauge, the front linear wire gauge and the rear linear wire gauge adopt precise wire gauge and speech sliding blocks, and the front end of the front linear wire gauge and the rear linear wire gauge is provided with a locking handle 4 which is convenient to move and fix.

The upper portion of fine setting cross cloud platform 8 is equipped with grip slipper 9, and grip slipper 9 passes through the quick detach board to be fixed on the upper portion of fine setting cross cloud platform 8, and the upper portion of grip slipper 9 is equipped with horizontal centre gripping anchor clamps 16, perpendicular centre gripping anchor clamps 17 and car camera anchor clamps 18. At present, the clamps mainly comprise mobile phone clamps, automobile clamps and module clamps. The bottom of the clamp is provided with a quick-mounting plate which can be switched quickly.

The top of the equipment frame 1 is provided with a vertical laser calibration device 12, and the middle of the back plate of the equipment frame 1 is provided with a horizontal laser calibration device 13. The diameter of the laser head is 42mm, and the laser head is controlled by a switch and emits cross laser lines. The main function of the vertical laser calibration device 12 is to calibrate the camera-to-card distance of 500 mm. The horizontal laser calibration device 13 can pass through the center of the graphic card, and the cross line is just hit at the center of the camera, so that the camera and the center of the graphic card are ensured to be on the same horizontal axis. Corresponding ghost light sources can be arranged on the rear side of the equipment frame 1 for carrying out ghost tests.

The upper and lower both sides of equipment frame 1's backplate are equipped with fixed section bar 15, and the middle part of fixed section bar 15 is equipped with test graphic card 11, and test graphic card 11 adopts the mode of inserting the section bar groove to fix, and the section bar groove is wide 5mm, and the graphic card is thick 3 mm. Test card 11 is a conventional fov card or an infrared fov card. Conventional fov graphic card: the appearance size is 500mm multiplied by 600mm, the drawing surface mainly comprises cross scale marks, and the angle of the camera is conveniently adjusted to enable the camera to be parallel to the drawing card surface; infrared fov graphic card: the appearance size is 500 multiplied by 600mm, and a hollowed cross line and a shooting scale line are arranged on the drawing surface.

Example two

Referring to fig. 1, the other contents of the present embodiment are the same as those of the first embodiment, except that: the bottom of the apparatus frame 1 is provided with casters 20. Make more convenient that this device can remove through truckle 20 to truckle 20 is universal brake truckle 20, after removing the target location, can fix this device through the mode of locking truckle 20.

In the implementation process of the utility model, the camera to be measured is fixed on the clamping seat 9 through the related clamp, the guide rail slide block 5 is moved on the linear guide rail 2 at the moment, and when the slide block pointer 19 is positioned at the position of 500mm of the graduated scale of the linear guide rail 2, the camera is screwed and the locking handle 4 is screwed; opening the vertical laser calibration device 12 and the horizontal laser calibration device 13, and adjusting the up-down lifting table 6, the fine-tuning cross holder 8 and the three-axis fine-tuning holder 21 to enable the scale mark of the test chart card 11 on the screen of the mobile phone to be located at the middle position, wherein the mobile phone is completely parallel to the test chart card 11; adjusting the manual rotating holder 7 to enable the central line to be located at the rightmost end of the display screen, recording the scale value A by the reading, then adjusting the manual rotating holder 7 again until the central line is located at the leftmost end of the display screen, recording the scale value B by the reading, and then recording the value of B-A as the angle of view; the utility model is suitable for an installation of FOV angle test equipment can install the camera of multiple classification, and is unlimited to the camera angle of vision size that will test, can test infrared camera's angle of vision, and supporting different test card and adjustable light source can carry out the ghost analysis simultaneously, and the application trade is more extensive, covers trade camera test fields such as cell-phone, car, security protection, and the customer uses more convenient, swift.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An FOV angle testing device comprises a device frame (1), wherein a sealing plate (10) is arranged on the upper portion of the device frame (1), and is characterized in that a linear guide rail (2) is arranged in the middle of the device frame (1), the middle of the linear guide rail (2) is slidably connected with a guide rail slider (5), a locking handle (4) is arranged on the front side of the guide rail slider (5), an upper lifting platform (6) and a lower lifting platform (6) are arranged on the upper portion of the guide rail slider (5), a manual rotating platform (7) is arranged on the upper portion of the upper lifting platform (6), a three-axis fine-tuning platform (21) is arranged on the upper portion of the manual rotating platform (7), a fine-tuning cross platform (8) is arranged on the upper portion of the three-axis fine-tuning platform (21), a clamping seat (9) is arranged on the upper portion of the fine-tuning cross platform (8), a vertical laser calibration device (, the upper side and the lower side of the back plate of the equipment frame (1) are provided with fixed sectional materials (15), and the middle parts of the fixed sectional materials (15) are provided with test pattern cards (11).

2. FOV angle test apparatus according to claim 1, characterized in that the apparatus frame (1) is provided with a light source controller (14) in its lower part.

3. FOV angle test device according to claim 1, characterized in that the right side of the device frame (1) is provided with a sliding door (3).

4. The FOV angle testing apparatus according to claim 1, wherein said test card (11) is a conventional FOV card or an infrared FOV card.

5. FOV angle test apparatus according to claim 1, characterized in that the lower right side of the rail slide (5) is provided with a slide pointer (19).

6. FOV angle test equipment according to claim 5 characterized in that the side of the linear guide (2) is provided with a graduated scale.

7. FOV angle test apparatus according to claim 1, characterized in that the upper part of the holder (9) is provided with a horizontal holding clamp (16).

8. FOV angle test apparatus according to claim 1, characterized in that the upper part of the holder (9) is provided with a vertical holding clamp (17).

9. FOV angle test apparatus according to claim 1, characterized in that the upper part of the holder (9) is provided with a car camera clamp (18).

10. FOV angle testing device according to claim 1, characterized in that the bottom of the device frame (1) is provided with castors (20).