CN219414316U - License plate recognition device - Google Patents

Abstract

The utility model discloses a license plate recognition device, which belongs to the field of vehicle recognition and comprises a base, movable stand columns and scanners, wherein extension plates are symmetrically arranged below two sides of the base, a track groove is formed in the upper surface of the base, a motor is arranged on one side of the base, a threaded rod is arranged at the output shaft end of the motor, the threaded rod is arranged in the track groove, racks are inlaid on one side surface of the track groove, the movable stand columns vertically slide above the base, sliding blocks are arranged at the bottoms of the movable stand columns, the sliding blocks are arranged on the inner sides of the track groove, the sliding blocks are screwed on the threaded rod, and when a vehicle is too close to a gate, the movement of the movable stand columns to the gate can be controlled through the motor operation of a computer automatic control device, and the scanners are controlled to extend outwards through an internal mechanism in the moving process so as to enable the scanner to be closer to the center position of the vehicle, and the scanning of license plate numbers is facilitated.

Description

License plate recognition device

Technical Field

The utility model relates to the field of vehicle identification, in particular to a license plate identification device.

Background

The vehicle identification system is mainly applied to garages and high-speed toll stations, and can realize automatic identification and automatic toll collection of vehicle identities without stopping vehicles when passing through a road junction. In the parking lot management, in order to improve the traffic efficiency of vehicles at the entrance and exit, thereby constructing an unattended rapid channel, not only can save labor cost, but also can ensure the accuracy of recognition, but when the existing vehicle recognition device is installed, the scanner is in a fixed state, so that the vehicle is required to be stopped in a designated area when the vehicle is recognized, if the vehicle is stopped too close, the scanner arranged at one side cannot accurately shoot the license plate arranged in the central area of the vehicle, and the vehicle cannot be recognized.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a license plate recognition device which can realize the position adjustment of a scanner.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a license plate recognition device, includes base, movable stand and scanner, base both sides below symmetry is provided with the extension board, the track groove has been seted up to the base upper surface, base one side is provided with the motor, the threaded rod is installed to the motor output axle head, the inside track groove is arranged in to the threaded rod, rack is inlayed on track groove one side surface, the movable stand slides perpendicularly in the base top, the movable stand bottom is provided with the slider, the track inslot side is arranged in to the slider, the slider closes on the threaded rod soon, the spout has been seted up to movable stand front side surface, the inside bidirectional screw that installs perpendicularly through the bearing of spout, bidirectional screw surface symmetry closes movable block soon, two movable block one side is installed through the round pin axle symmetry connecting rod, two the connecting rod runs through movable stand front side surface, the movable stand front side is arranged in to the scanner, two the connecting rod deviates from the one end of movable block and all installs on the scanner through the round pin axle.

Further, a movable cavity is formed below the inner portion of the movable upright post, the movable cavity corresponds to the rack in position, a fixed gear is arranged at the bottom of the bidirectional screw rod, and the fixed gear is arranged inside the movable cavity.

Further, the bi-directional screw top is provided with the hexagon socket head, hexagon socket head and movable stand upper surface parallel and level, the accommodating hole has been seted up to movable stand upper surface rear side.

Further, the button is slidably mounted above the inside of the storage hole, the button penetrates through the upper surface of the movable upright post, and a sliding rod is arranged at the bottom of the button.

Further, the sliding rod penetrates through the lower surface of the storage hole, a movable gear is mounted at the bottom of the sliding rod through a bearing, the movable gear is arranged inside the fixed gear, and two sides of the movable gear are respectively meshed with the rack and the fixed gear.

Further, the surface of the sliding rod is sleeved with a spring, the spring is arranged in the storage hole, and the top of the spring is contacted with the lower surface of the button.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that: the utility model provides a license plate recognition device, which is operated by a motor of a computer automatic control device, when a vehicle is too close to a gate, a movable upright post can be controlled to move towards the gate, and a scanner is controlled to extend outwards through an internal mechanism in the moving process, so that the scanner is closer to the central position of the vehicle, the license plate is conveniently scanned, the recognition efficiency is improved, and meanwhile, the initial position of the scanner can be manually pre-adjusted by the device, so that the overall flexibility of the device is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the longitudinal left cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the area A of FIG. 2 according to the present utility model;

fig. 4 is an enlarged view of the area B of fig. 2 according to the present utility model.

The reference numerals in the figures illustrate:

1. a base; 2. an extension plate; 3. a track groove; 4. a motor; 5. a threaded rod; 6. a rack; 7. a movable upright post; 8. a slide block; 9. a chute; 10. a bidirectional screw; 11. a fixed gear; 12. a movable block; 13. a connecting rod; 14. a scanner; 15. an inner hexagon head; 16. a receiving hole; 17. a slide bar; 18. a movable gear; 19. a button; 20. a spring; 21. a movable chamber.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1, a license plate recognition device includes a base 1, a movable upright 7 and a scanner 14, extension plates 2 are symmetrically arranged below two sides of the base 1, so as to ensure the fixation of the device and the ground through the cooperation between bolts and the extension plates 2, a track groove 3 is formed in the upper surface of the base 1, a motor 4 is arranged on one side of the base 1, a threaded rod 5 is mounted at the output shaft end of the motor 4, the threaded rod 5 is arranged inside the track groove 3, a rack 6 is inlaid on one side surface of the track groove 3, the rack 6 is positioned above one side of the track groove 3, the upper surface of the rack 6 is flush with the upper surface of the base 1, the movable upright 7 slides vertically above the base 1, a sliding block 8 is arranged at the bottom of the movable upright 7, the sliding block 8 is arranged inside the track groove 3, the sliding block 8 is screwed on the threaded rod 5, so as to drive the movable upright 7 to move through the rotation of the threaded rod 5, and then the position of the scanner 14 is adjusted.

Referring to fig. 2, a chute 9 is provided on the front surface of the movable upright post 7, a bidirectional screw 10 is vertically installed in the chute 9 through a bearing, threads at two ends of the bidirectional screw 10 are opposite in direction, movable blocks 12 are symmetrically screwed on the surface of the bidirectional screw 10, the two movable blocks 12 are respectively screwed on threads in different directions, connecting rods 13 are symmetrically installed on one sides of the two movable blocks 12 through pin shafts, the two connecting rods 13 penetrate through the front surface of the movable upright post 7, a scanner 14 is arranged on the front side of the movable upright post 7, one ends of the two connecting rods 13, which are away from the movable blocks 12, are all installed on the scanner 14 through pin shafts, so that the scanner 14 is supported through the two connecting rods 13, and when the two movable blocks 12 are close, the position of the scanner 14 is far away from the movable upright post 7.

Referring to fig. 2 and 4, a movable cavity 21 is formed below the inner portion of the movable upright post 7, the movable cavity 21 corresponds to the rack 6 in position, the end portion of the rack 6 can be placed on one side of the movable cavity 21, a fixed gear 11 is arranged at the bottom of the bidirectional screw 10, the fixed gear 11 is placed inside the movable cavity 21, and rotation of the bidirectional screw 10 can be controlled by controlling rotation of the fixed gear 11.

Referring to fig. 1 and 3, an inner hexagon head 15 is disposed at the top of the bi-directional screw 10, the inner hexagon head 15 is flush with the upper surface of the movable upright post 7, and a receiving hole 16 is formed at the rear side of the upper surface of the movable upright post 7, so that the rotation of the bi-directional screw 10 can be controlled independently by a tool.

Referring to fig. 3, a button 19 is slidably mounted above the inside of the accommodating hole 16, the button 19 penetrates through the upper surface of the movable upright post 7, so that whether the movable gear 18 is matched or not is controlled by an external control button 19, a sliding rod 17 is arranged at the bottom of the button 19, the sliding rod 17 penetrates through the lower surface of the accommodating hole 16, the movable gear 18 is mounted at the bottom of the sliding rod 17 through a bearing, the movable gear 18 is arranged inside the fixed gear 11, two sides of the movable gear 18 are respectively meshed with the rack 6 and the fixed gear 11, and the two sides are matched with each other, so that the scanner 14 can be driven to move when the movable upright post 7 moves under control.

The surface of the sliding rod 17 is sleeved with a spring 20, the spring 20 is arranged in the accommodating hole 16, the top of the spring 20 is contacted with the lower surface of the button 19, and the movable gear 18 is always meshed with the fixed gear 11 by utilizing the spring 20 under the condition of not being subjected to any artificial external force, so that the linkage of the device is realized.

When in use: the base 1 is fixed through the cooperation of the bolt and the extension plate 2, the motor 4 is ensured to be closer to the gate direction, the movable upright post 7 is ensured to be vertical to the ground, the button 19 is arranged at the uppermost part of the stroke due to the existence of the spring 20, at the moment, the upper surface of the movable upright post 7 of the pipe material of the button 19 is driven to drive the movable gear 18 at the bottom to be arranged at the uppermost part of the stroke, at the moment, the movable gear 18 is respectively meshed with the rack 6 and the fixed gear 11, whether the motor 4 is started or not is controlled, when the threaded rod 5 is started, the threaded rod 5 can be driven to rotate through the mutual rotation of the movable upright post 7 and the sliding block 8 along the track of the track groove 3, in the moving process, the movable gear 18 is driven to rotate through the meshing of the rack 6 and the movable gear 18 and the fixed gear 11, the bidirectional threaded rod 10 is driven to rotate, the two movable blocks 12 are screwed on the bidirectional screw rod 10, the screw thread directions are opposite, when the bidirectional screw rod 10 rotates, the two movable blocks 12 can relatively move and simultaneously approach or simultaneously separate, then the distance between the scanner 14 and the movable upright post 7 is controlled through the cooperation of the connecting rod 13, when the movable upright post 7 moves towards the direction of the motor 4, the license plate area of the scanner 14, which is close to the center of the automobile, is ensured to be identified, meanwhile, the adjustment can be carried out manually, at the moment, the button 19 can be pressed to drive the sliding rod 17 to move downwards, the spring 20 is subjected to extrusion power storage, the downward movement of the sliding rod 17 can drive the movable gear 18 to move downwards, so that the movable gear 18 is separated from the engagement with the fixed gear 11 and the rack 6, at the moment, the movement of the movable upright post 7 can not drive the scanner 14 to move, the inner hexagonal head 15 is driven by a hexagonal wrench to rotate, and then drives the bidirectional screw rod 10 to actively, independently adjusts the position of the scanner 14, and releases the installation of the button 19 after the initial position is determined, so that the internal mechanism of the device returns to the original position, and the linkage is realized again.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. License plate recognition device, including base (1), movable stand (7) and scanner (14), its characterized in that: the utility model discloses a scanner, including base (1), track groove (3) are offered to base (1) both sides below symmetry, track groove (3) have been offered to base (1) upper surface, base (1) one side is provided with motor (4), threaded rod (5) are installed to motor (4) output axle head, inside track groove (3) are arranged in to threaded rod (5), rack (6) are inlayed on track groove (3) one side surface, movable stand (7) vertically slide in base (1) top, movable stand (7) bottom is provided with slider (8), track groove (3) inboard is arranged in to slider (8), slider (8) spin closes on threaded rod (5), spout (9) have been offered on movable stand (7) front side surface, spout (9) are inside install bi-directional screw (10) through the bearing perpendicularly, bi-directional screw (10) surface symmetry spin has movable block (12), two connecting rod (13) are installed through the round pin axle symmetry to one side of movable block (12), two connecting rod (13) run through movable stand (7) front side scanner (14) front side scanner, one end of each connecting rod (13) deviating from the movable block (12) is arranged on the scanner (14) through a pin shaft.

2. The license plate recognition device according to claim 1, wherein: the movable cavity (21) is formed in the lower portion of the inner portion of the movable upright post (7), the movable cavity (21) corresponds to the rack (6), a fixed gear (11) is arranged at the bottom of the bidirectional screw (10), and the fixed gear (11) is arranged in the movable cavity (21).

3. A license plate recognition device according to claim 2, wherein: the bidirectional screw rod (10) top is provided with hexagon socket head (15), hexagon socket head (15) and movable stand (7) upper surface parallel and level, accomodate hole (16) have been seted up to movable stand (7) upper surface rear side.

4. A license plate recognition device according to claim 3, wherein: the button (19) is slidably mounted above the inside of the storage hole (16), the button (19) penetrates through the upper surface of the movable upright post (7), and a sliding rod (17) is arranged at the bottom of the button (19).

5. The license plate recognition device according to claim 4, wherein: the sliding rod (17) penetrates through the lower surface of the containing hole (16), a movable gear (18) is arranged at the bottom of the sliding rod (17) through a bearing, the movable gear (18) is arranged inside the fixed gear (11), and two sides of the movable gear (18) are respectively meshed with the rack (6) and the fixed gear (11).

6. The license plate recognition device according to claim 5, wherein: the surface of the sliding rod (17) is sleeved with a spring (20), the spring (20) is arranged in the storage hole (16), and the top of the spring (20) is contacted with the lower surface of the button (19).