CN216249546U

CN216249546U - Adjustable license plate recognition device

Info

Publication number: CN216249546U
Application number: CN202122862294.7U
Authority: CN
Inventors: 蔡曾; 郭有东; 冯雪平; 冯睿程
Original assignee: Langfang Longtu Network Technology Co ltd
Current assignee: Langfang Longtu Network Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-08
Anticipated expiration: 2031-11-22

Abstract

The utility model belongs to the technical field of license plate recognition, and particularly relates to an adjustable license plate recognition device which comprises a mainframe box, a recognition camera, a support plate, a U-shaped mounting frame, a support box and a height adjusting assembly, wherein the support plate is mounted on the support box and can rotate in a horizontal plane; the U-shaped mounting frame is fixed on the top surface of the supporting plate, the identification camera is erected in the U-shaped mounting frame through a rotating shaft, and a pitching angle adjusting component for adjusting the pitching angle of the identification camera is further arranged on the supporting plate; according to the license plate recognition device, the pitching angle adjusting component, the horizontal angle adjusting component and the height adjusting component are arranged, so that the pitching angle, the horizontal rotation angle and the height of the recognition camera can be relatively stably adjusted, different use requirements are met, the application range of equipment is expanded, and the recognition camera can be used for reliably recognizing license plates of different vehicle types.

Description

Adjustable license plate recognition device

Technical Field

The utility model belongs to the technical field of license plate recognition, and particularly relates to an adjustable license plate recognition device.

Background

License plate recognition is common in barriers, and barriers and license plate recognition equipment are common in communities, highways and parking lots.

The electric barrier gate can realize the lifting and falling of the rod through wireless remote control alone, and can also realize automatic management state through a parking lot management system (namely an IC card swiping management system), and the vehicle is released after the vehicle is taken in and released, and the vehicle is automatically released after parking fee is collected during departure.

The license plate recognition system is an application of a computer video image recognition technology in vehicle license plate recognition, the license plate recognition is widely applied to highway vehicle management, and an Electronic Toll Collection (ETC) system is also a main means for recognizing vehicle identities by combining a DSRC technology.

Traditional license plate recognition device is when using, and its identification camera is installed on the mainframe box top, and for the reliability of guaranteeing discernment, partial license plate recognition device's identification camera can carry out the adjustment of every single move angle, but the stability can not be good to can't adjust the shooting horizontal angle and the height of identification camera, the restriction of discernment angle is big, to the unable reliable discernment of partial large-scale car and the low car of lying prone.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an adjustable license plate recognition device which has the characteristics of convenience in use and easiness in adjustment.

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable license plate recognition device comprises a mainframe box and a recognition camera, and further comprises a support plate, a U-shaped mounting frame, a support box and a height adjusting assembly, wherein the support box is mounted at the top end of the mainframe box through the height adjusting assembly, the support plate is mounted on the support box and can rotate in a horizontal plane, and a horizontal angle adjusting assembly used for adjusting the horizontal rotation angle of the support plate is mounted in the support box; the U type mounting bracket is fixed the top surface of backup pad, the discernment camera erects through the pivot in the U type mounting bracket, just still be equipped with in the backup pad and be used for adjusting the every single move angle adjusting part of discernment camera every single move angle.

As a preferred technical scheme of the utility model, the pitching angle adjusting assembly comprises a first movable plate, a first overturning supporting arm and a first threaded column, a first mounting plate is fixed on the top surface of the supporting plate, the first threaded column is mounted on the first mounting plate in a threaded screwing mode, the first threaded column penetrates through the first mounting plate and then is rotatably connected with the first movable plate through a bearing, one end of the first overturning supporting arm is hinged with the first movable plate, and the other end of the first overturning supporting arm is hinged with the tail end of the bottom surface of the identification camera.

As a preferred technical scheme of the utility model, the height adjusting assembly comprises a second overturning supporting arm, a second movable plate and a second threaded column, a second mounting plate is fixed on the top surface of the mainframe box, the second threaded column is mounted on the second mounting plate in a threaded screwing mode, the second threaded column penetrates through the second mounting plate and then is rotatably connected with the second movable plate through a bearing, one end of the second overturning supporting arm is hinged with the second movable plate, and the other end of the second overturning supporting arm is hinged with the bottom surface of the supporting box.

As a preferred technical scheme of the utility model, the horizontal angle adjusting assembly comprises a worm, a worm wheel and a connecting shaft, the connecting shaft is longitudinally erected in the supporting box through a bearing support, and the top end of the connecting shaft is fixedly connected with the supporting plate; the worm wheel is fixed on the connecting shaft, and the worm is transversely erected in the supporting box through a bearing support and meshed with the worm wheel.

As a preferred technical solution of the present invention, two guide plates are fixed to an outer wall of the support box, the guide posts are fixed to a bottom surface of the support plate, and arc-shaped sliding holes for the guide posts to penetrate through are formed in the guide plates.

As a preferred technical solution of the present invention, four sets of diagonally distributed telescopic columns are connected between the top surface of the main cabinet and the bottom surface of the support box, and telescopic springs are sleeved on the telescopic columns.

Compared with the prior art, the utility model has the beneficial effects that: according to the license plate recognition device, the pitching angle adjusting component, the horizontal angle adjusting component and the height adjusting component are arranged, so that the pitching angle, the horizontal rotation angle and the height of the recognition camera can be relatively stably adjusted, different use requirements are met, the application range of equipment is expanded, and the recognition camera can be used for reliably recognizing license plates of different vehicle types.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the horizontal angle adjustment assembly of the present invention;

in the figure: 1. a main chassis; 2. identifying a camera; 3. a support plate; 4. a U-shaped mounting frame; 5. a pitch angle adjustment assembly; 6. a support box; 7. a horizontal angle adjustment assembly; 8. a height adjustment assembly; 9. a first movable plate; 10. the first overturning supporting arm; 11. a first mounting plate; 12. a first threaded post; 13. a guide plate; 14. a guide post; 15. an arc-shaped slide hole; 16. turning over the supporting arm II; 17. a second movable plate; 18. a second mounting plate; 19. a second threaded post; 20. a telescopic column; 21. a tension spring; 22. a worm; 23. a worm gear; 24. and (7) connecting the shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: an adjustable license plate recognition device comprises a mainframe box 1, a recognition camera 2, a supporting plate 3, a U-shaped mounting frame 4, a supporting box 6 and a height adjusting component 8, wherein the supporting box 6 is installed at the top end of the mainframe box 1 by the height adjusting component 8, the supporting plate 3 is installed on the supporting box 6 and can rotate in a horizontal plane, and a horizontal angle adjusting component 7 for adjusting the horizontal rotation angle of the supporting plate 3 is installed in the supporting box 6; u type mounting bracket 4 is fixed at the top surface of backup pad 3, identification camera 2 erects in U type mounting bracket 4 through the pivot, and still be equipped with the every single move angle adjusting part 5 that is used for adjusting 2 every single move angles of identification camera in backup pad 3, when using, when the car passes through, identification camera 2 can discern the license plate of car automatically, if necessary, usable every single move angle adjusting part 5 adjusts the shooting every single move angle of identification camera 2, usable horizontal angle adjusting part 7 adjusts the horizontal rotation angle of identification camera 2, usable height adjusting part 8 adjusts the height of identification camera 2, identification camera 2's identification range has greatly been improved, guarantee that identification camera 2 can discern the license plate of different motorcycle types, the application scope of device has been enlarged.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the pitch angle adjusting assembly 5 includes a first movable plate 9, a first tilting support arm 10 and a first threaded post 12, a first mounting plate 11 is fixed on the top surface of the support plate 3, the first threaded post 12 is mounted on the first mounting plate 11 in a threaded screwing manner, the first threaded post 12 penetrates through the first mounting plate 11 and is rotatably connected with the first movable plate 9 through a bearing, one end of the first tilting support arm 10 is hinged with the first movable plate 9, the other end is hinged with the bottom end of the identification camera 2, when the pitch angle adjusting assembly 5 is used to adjust the shooting pitch angle of the identification camera 2, the first threaded post 12 is rotated to drive the first movable plate 9 to move under the threaded screwing action, the first movable plate 9 drives the first tilting support arm 10 to turn and move, the first overturning supporting arm 10 drives the identification camera 2 to overturn, and the pitching angle of the identification camera 2 changes.

Specifically, according to fig. 1 and fig. 2, in this embodiment, the height adjusting assembly 8 includes a second turning supporting arm 16, a second movable plate 17 and a second threaded post 19, a second mounting plate 18 is fixed on the top surface of the main cabinet 1, the second threaded post 19 is mounted on the second mounting plate 18 in a threaded screwing manner, the second threaded post 19 penetrates through the second mounting plate 18 and is rotatably connected with the second movable plate 17 through a bearing, one end of the second turning supporting arm 16 is hinged with the second movable plate 17, the other end is hinged with the bottom surface of the supporting box 6, when the height adjusting assembly 8 is used to adjust the height of the identification camera 2, the second threaded post 19 is rotated to enable the second threaded post 19 to drive the second movable plate 17 to move under the action of screwing, the second movable plate 17 drives the second turning supporting arm 16 to turn and move, the second turning supporting arm 16 drives the supporting box 6 to lift, the supporting box 6 drives the identification camera 2 to go up and down through the supporting plate 3.

Specifically, according to fig. 1, fig. 2 and fig. 3, in the present embodiment, the horizontal angle adjusting assembly 7 includes a worm 22, a worm wheel 23 and a connecting shaft 24, the connecting shaft 24 is supported by a bearing and erected in the supporting box 6 along the longitudinal direction, and the top end of the connecting shaft 24 is fixedly connected to the supporting plate 3; worm wheel 23 is fixed on connecting axle 24, worm 22 supports through the bearing and erects in supporting box 6 and mesh mutually with worm wheel 23 along transversely, when utilizing horizontal angle adjusting part 7 adjustment discernment camera 2's horizontal rotation angle, rotatory worm 22, under the meshing relation, worm 22 drives worm wheel 23 and connecting axle 24 rotatory, drive discernment camera 2 internal rotation in the horizontal plane through backup pad 3, because worm 22 and worm wheel 23 have reverse auto-lock's reason, when not initiatively rotating worm 22, discernment camera 2 can not take place unexpected the rotation.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the outer wall of the supporting box 6 is fixed with two guide plates 13 which are symmetrically distributed, the bottom surface of the supporting plate 3 is fixed with the guide posts 14, the guide plates 13 are internally provided with arc-shaped sliding holes 15 through which the guide posts 14 penetrate, and when the supporting plate 3 rotates, the guide posts 14 are driven to move along the arc-shaped sliding holes 15, so that the rotating stability of the supporting plate 3 is improved.

Example 2

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, four sets of diagonally distributed telescopic columns 20 are connected between the top surface of the main cabinet 1 and the bottom surface of the support box 6, telescopic springs 21 are sleeved on the telescopic columns 20, the telescopic columns 20 are formed by sleeving two hollow cylindrical members, and under the elastic force of the telescopic springs 21, the support box 6 is elastically supported, so that the stability and the shock resistance of the device are greatly improved.

The working principle and the using process of the utility model are as follows: when the license plate recognition device is used, when an automobile passes by, the recognition camera 2 can automatically recognize the license plate of the automobile, if necessary, the pitching angle adjusting component 5 can be used for adjusting the shooting pitching angle of the recognition camera 2, the horizontal angle adjusting component 7 can be used for adjusting the horizontal rotation angle of the recognition camera 2, and the height adjusting component 8 can be used for adjusting the height of the recognition camera 2, so that the recognition range of the recognition camera 2 is greatly improved, the recognition camera 2 can be guaranteed to recognize the license plates of different automobile types, and the application range of the device is expanded;

under the elastic force action of the extension spring 21, the support box 6 is elastically supported, so that the stability and the shock resistance of the device are greatly improved, and the service life of the device is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an adjustable license plate recognition device, includes mainframe box (1) and discernment camera (2), its characterized in that: the portable computer case is characterized by further comprising a supporting plate (3), a U-shaped mounting frame (4), a supporting box (6) and a height adjusting component (8), wherein the supporting box (6) is mounted at the top end of the main case (1) through the height adjusting component (8), the supporting plate (3) is mounted on the supporting box (6) and can rotate in the horizontal plane, and a horizontal angle adjusting component (7) used for adjusting the horizontal rotating angle of the supporting plate (3) is mounted in the supporting box (6); u type mounting bracket (4) are fixed the top surface of backup pad (3), identification camera (2) erect through the pivot in U type mounting bracket (4), just still be equipped with on backup pad (3) and be used for adjusting identification camera (2) every single move angle adjusting part (5) of every single move angle.

2. The adjustable license plate recognition device of claim 1, wherein: every single move angle adjusting part (5) include a fly leaf (9), a upset support arm (10) and a screw thread post (12) the top surface of backup pad (3) is fixed with a mounting panel (11), a screw thread post (12) are installed through the screw thread closure mode soon on a mounting panel (11), just a screw thread post (12) run through behind a mounting panel (11) through the bearing with fly leaf (9) rotate to be connected, the one end of a upset support arm (10) with fly leaf (9) articulated, the other end with the bottom surface tail end of discernment camera (2) is articulated.

3. The adjustable license plate recognition device of claim 1, wherein: altitude mixture control subassembly (8) are including No. two upset support arms (16), No. two fly leaf (17) and No. two screw thread post (19) the top surface of mainframe box (1) is fixed with No. two mounting panels (18), No. two screw thread post (19) are installed through the screw thread closure mode soon No. two mounting panels (18) are gone up, just No. two screw thread post (19) run through No. two mounting panels (18) back through the bearing with No. two fly leaf (17) rotate to be connected, the one end of No. two upset support arms (16) with No. two fly leaf (17) are articulated, the other end with the bottom surface that supports box (6) is articulated.

4. The adjustable license plate recognition device of claim 1, wherein: the horizontal angle adjusting assembly (7) comprises a worm (22), a worm wheel (23) and a connecting shaft (24), the connecting shaft (24) is longitudinally erected in the supporting box (6) through a bearing support, and the top end of the connecting shaft (24) is fixedly connected with the supporting plate (3); the worm wheel (23) is fixed on the connecting shaft (24), and the worm (22) is supported by a bearing and transversely erected in the supporting box (6) and meshed with the worm wheel (23).

5. The adjustable license plate recognition device of claim 1, wherein: the outer wall of the supporting box (6) is fixed with two guide plates (13) which are symmetrically distributed, guide columns (14) are fixed on the bottom surface of the supporting plate (3), and arc-shaped sliding holes (15) which are used for the guide columns (14) to penetrate through are formed in the guide plates (13).

6. The adjustable license plate recognition device of claim 1, wherein: four groups of telescopic columns (20) which are distributed in a diagonal manner are connected between the top surface of the mainframe box (1) and the bottom surface of the support box (6), and telescopic springs (21) are sleeved on the telescopic columns (20).