CN213580033U - Large-visual-angle fisheye lens imaging detection equipment - Google Patents

Abstract

The utility model relates to the technical field of fisheye lens production, in particular to imaging detection equipment for a fisheye lens with a large visual angle, which comprises a bracket, a projection target surface, a projection device and a support plate, the support plate is arranged on the support, one end of the upper surface of the support plate is provided with a chute, the bottom of the projection device is connected with the chute in a sliding way, the projection device is provided with a resolution mark target and a mounting rack, the mounting rack is provided with a through hole and a second jack, and the projection device also comprises a conversion device, the conversion device comprises a bolt, a conversion plate and a rotating shaft, the middle part of the conversion plate is rotatably connected with the mounting rack through the rotating shaft, the conversion plate is provided with an accommodating hole and a first jack, the accommodating hole is internally provided with an internal thread matched with the fisheye lens, the first jack and the second jack are coaxially arranged, and the bolt is inserted into the first jack and the second jack in a matched mode. The utility model discloses an installation can detect a plurality of large visual angle fisheye lens, has improved detection efficiency.

Description

Large-visual-angle fisheye lens imaging detection equipment

Technical Field

The utility model relates to a fisheye lens production technical field, concretely relates to big visual angle fisheye lens imaging detection equipment.

Background

The fisheye lens is an extreme wide-angle lens, and the fisheye lens with a large visual angle is widely applied to equipment such as a monitoring camera, a vehicle event data recorder and the like by virtue of the advantage of large visual angle.

Big visual angle fisheye lens need carry out the formation of image and detect, so that it satisfies the operation requirement, traditional detection device is on will being surveyed on the lens mount table projection arrangement, projection arrangement is provided with the resolution ratio mark target, the image that the measured lens that will install on the projection arrangement becomes is thrown and is detected on the projection target surface of hemispherical shape again, need install the camera lens on the mounting bracket on projection arrangement earlier before detecting, slide projection arrangement to the projection target in again, carry out subsequent detection, and the installation can only detect a camera lens once in the testing process, it is convenient for dismouting camera lens after accomplishing to detect, need roll-off projection arrangement, pull down the camera lens that detects again and install next and wait that detect the camera lens and detect, detection effect is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a large visual angle fisheye camera lens imaging check out test set, aim at: the detection equipment can detect a plurality of large-visual-angle fisheye lenses by one-time installation, and the detection efficiency is improved.

In order to achieve the above object, the present invention provides the following technical solutions:

the large-visual-angle fisheye lens imaging detection equipment comprises a support, a projection target surface, a projection device and a support plate, wherein the support plate is arranged on the support, a sliding groove is formed in one end of the upper surface of the support plate, the projection target surface is arranged at the other end of the support plate, the bottom of the projection device is in sliding connection with the sliding groove, a resolution target and a mounting frame are arranged on the projection device, the resolution target is located between the projection target surface and the projection device, the mounting frame is located between the projection target surface and the resolution target, a through hole and a second jack are formed in the mounting frame, and the resolution target are coaxially arranged; the conversion device comprises a bolt, a conversion plate and a rotating shaft, the conversion plate is arranged between the projection target surface and the mounting rack, the middle part of the conversion plate is rotatably connected with the mounting rack through the rotating shaft, the conversion plate is provided with accommodating holes and first jacks, internal threads matched with the fisheye lens are arranged in the accommodating holes, the accommodating holes are uniformly arranged at intervals around the axis of the rotating shaft, one of the accommodating holes is coaxially arranged with the through hole, the first jacks are uniformly arranged at intervals around the axis of the rotating shaft, at least two jacks are arranged corresponding to the accommodating holes one by one, one of the first jacks is coaxially arranged with the second jack, and the bolt is matched and inserted into the first jacks and the second jacks; when the projection device slides along the sliding groove to be closest to the projection target surface, the image projected by the resolution target sequentially passes through the through hole and one of the accommodating holes and is projected on the projection target surface through the fisheye lens arranged in the accommodating hole.

Furthermore, the end face of one end, inserted into the second jack, of the plug pin is arranged in a chamfer angle mode.

Furthermore, one end, far away from the mounting rack, of the bolt is fixedly provided with a rotating handle.

Furthermore, a sliding block is fixedly arranged at the bottom of the projection device and is arranged in the sliding groove in a sliding manner.

Further, still include the height control stabilizer blade, the support adopts a plurality of height control stabilizer blade to support.

Compared with the prior art, the beneficial effects of the utility model are that: through arranging at least two containing holes, a plurality of large-visual-angle fisheye lenses to be detected can be installed on the conversion plate at one time, then the projection device slides to be nearest to the projection target surface along the sliding groove, the image projected by the resolution mark sequentially passes through the through hole and one of the containing holes and is projected onto the projection target surface through the large-visual-angle fisheye lens placed in the containing hole, the conversion plate is limited and fixed by inserting the bolt, so that the large-visual-angle fisheye lenses placed in the containing holes are subjected to imaging detection, the projection device does not need to slide out after the detection is finished, the bolt is directly pulled down, the conversion plate is rotated, the large-visual-angle fisheye lenses in the next containing hole are aligned with the through hole and are limited and fixed by inserting the bolt again, so that the large-visual-angle fisheye lenses placed in the containing holes are subjected to imaging detection, the process is circulated until the detection is finished by installing a plurality of large-visual-angle fisheye lenses to be, a plurality of large-view fisheye lenses can be detected by one-time installation, and the detection efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a perspective view of FIG. 1;

fig. 4 is a partially enlarged view of a portion B in fig. 3.

In the figure: 1. a support; 2. height adjusting support legs; 3. projecting a target surface; 4. a conversion device; 41. a bolt; 42. a conversion plate; 421. a first jack; 422. a housing hole; 43. a rotating shaft; 5. a mounting frame; 51. a through hole; 52. a second jack; 6. a projection device; 61. a resolution target; 7. a support plate; 71. a chute.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention.

Example (b): as shown in fig. 1 to 4, the present invention provides a large-viewing angle fisheye lens imaging detection apparatus, which comprises a bracket 1, a projection target surface 3, a projection device 6 and a support plate 7, wherein the support plate 7 is disposed on the bracket 1, one end of the upper surface of the support plate 7 is provided with a chute 71, the projection target surface 3 is disposed at the other end of the support plate 7, the bottom of the projection device 6 is slidably connected to the chute 71, the projection target surface 3 and the projection device 6 are mature prior art, and therefore, no description is given here, in this embodiment, a slider is fixedly disposed at the bottom of the projection device 6, the slider is slidably disposed in the chute 71, the projection device 6 is provided with a resolution target 61 and a mounting bracket 5, the resolution target 61 is located between the projection target surface 3 and the projection device 6, the mounting bracket 5 is located between the projection target surface 3 and the resolution target 61, the mounting bracket 5 is provided with a through, the resolution target 61 is disposed coaxially with the resolution target 61.

The conversion device 4 is further included, the conversion device 4 includes a plug 41, a conversion plate 42 and a rotating shaft 43, the conversion plate 42 is disposed between the projection target surface 3 and the mounting rack 5, the middle portion of the conversion plate 42 is rotatably connected with the mounting rack 5 through the rotating shaft 43, the conversion plate 42 is provided with a containing hole 422 and a first plug hole 421, an internal thread adapted to the fisheye lens is disposed inside the containing hole 422, at least two containing holes 422 are uniformly arranged around the axis of the rotating shaft 43 at intervals, and one containing hole 422 and a through hole 51 are coaxially arranged, so that a plurality of fisheye lenses with large visual angles can be mounted, at least two first plug holes 421 are uniformly arranged around the axis of the rotating shaft 43 at intervals and are in one-to-one correspondence with the containing holes 422, one first plug hole 421 and a second plug hole 52 are coaxially arranged, and the plug 41 is inserted into the two holes, in order to facilitate the insertion of the plug 41, the end face of the plug 41 inserted, in order to turn the latch 41, a rotary handle is fixedly arranged at one end of the latch 41 away from the mounting frame 5.

When the projection device 6 slides along the sliding groove 71 to be closest to the projection target surface 3, the image projected by the resolution target 61 sequentially passes through the through hole 51 and one of the accommodating holes 422 and is projected on the projection target surface 3 through the fisheye lens placed in the accommodating hole 422.

Further, still include height adjustment stabilizer blade 2, support 1 adopts a plurality of height adjustment stabilizer blades 2 to support, conveniently adjusts the height and the degree of stability of support 1.

The utility model provides a large visual angle fisheye lens imaging detection equipment, in the in-service use process, at first once only install a plurality of large visual angle fisheye lens that wait to detect on the change-over plate 42, slide projection arrangement 6 along spout 71 to the position nearest apart from the projection target surface, the image that resolution ratio mark target 61 throws out passes through-hole 51 and one of them holding hole 422 in proper order and throws on the projection target surface 3 through the large visual angle fisheye lens that places in holding hole 422 at this moment, then insert bolt 41 and carry out accurate spacing fixed to change-over plate 42, the error is little, the precision is high, thereby carry out imaging detection to the large visual angle fisheye lens that places in holding hole 422, need not roll-off projection arrangement 6 after the detection is accomplished, directly pull out bolt 41, rotate change-over plate 42, align the large visual angle fisheye lens in next holding hole 422 with through-hole 51 and reinsert bolt 41 and carry out spacing fixed to change-over plate 42, therefore, the large-view-angle fisheye lens placed in the accommodating hole 422 is subjected to imaging detection, the processes are circulated until a plurality of large-view-angle fisheye lenses to be detected are installed on the conversion plate 42, and the large-view-angle fisheye lenses can be detected by one-time installation, so that the detection efficiency is improved.

The principle and the embodiment of the present invention have been explained by using specific examples, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention, it should be pointed out that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and these modifications and modifications also fall into the protection scope of the claims of the present invention.

Claims (5)

1. The imaging detection equipment for the large-visual-angle fisheye lens is characterized by comprising a support (1), a projection target surface (3), a projection device (6) and a support plate (7), wherein the support plate (7) is arranged on the support (1), one end of the upper surface of the support plate (7) is provided with a sliding groove (71), the projection target surface (3) is arranged at the other end of the support plate (7), the bottom of the projection device (6) is in sliding connection with the sliding groove (71), the projection device (6) is provided with a resolution target (61) and a mounting rack (5), the resolution target (61) is positioned between the projection target surface (3) and the projection device (6), the mounting rack (5) is positioned between the projection target surface (3) and the resolution target (61), the mounting rack (5) is provided with a through hole (51) and a second jack (52), the resolution target (61) is arranged coaxially with the resolution target (61); still include conversion equipment (4), conversion equipment (4) include bolt (41), change-over panel (42) and pivot (43), change-over panel (42) set up projection target surface (3) with between mounting bracket (5), the middle part of change-over panel (42) is passed through pivot (43) with mounting bracket (5) are rotated and are connected, be provided with holding hole (422) and first jack (421) on change-over panel (42), the inside of holding hole (422) is provided with the internal thread with the fisheye lens adaptation, holding hole (422) surround the even interval of axis of pivot (43) set up two at least and one of them holding hole (422) with through-hole (51) coaxial setting, first jack (421) surround the even interval of axis of pivot (43) set up two at least and with holding hole (422) one-to-one setting, one of the first socket (421) and the second socket (52) is coaxially arranged and the plug pin (41) is inserted into the two sockets in a matching way; when the projection device (6) slides along the sliding groove (71) to be nearest to the projection target surface (3), the image projected by the resolution target (61) sequentially passes through the through hole (51) and one of the containing holes (422) and is projected on the projection target surface (3) through the fisheye lens placed in the containing hole (422).

2. The imaging detection device of the large-view fisheye lens of claim 1, characterized in that the end face of the plug (41) inserted into the second insertion hole (52) is chamfered.

3. The imaging detection device of the large-view fisheye lens as claimed in claim 2, characterized in that a rotary handle is fixedly arranged at one end of the bolt (41) far away from the mounting rack (5).

4. The imaging detection device of the large-viewing-angle fisheye lens as claimed in claim 1, wherein a sliding block is fixedly arranged at the bottom of the projection device (6), and the sliding block is slidably arranged in the sliding groove (71).

5. The large-view fisheye lens imaging detection device according to claim 1, characterized in that the device further comprises a height adjusting leg (2), and the stand (1) is supported by a plurality of height adjusting legs (2).

Images