Efficient damage-resistant multi-dimensional vehicle license plate recognition device

Abstract

The utility model relates to the field of license plate recognition technical equipment, and discloses an efficient anti-damage multi-dimensional vehicle license plate recognition device which comprises a mounting frame, an infrared sensor and a vehicle recognizer, the infrared sensor and the vehicle recognizer are arranged on one side of the mounting frame, and a first adjusting seat is fixedly connected to the inner bottom of the mounting frame. A first telescopic rod is movably connected into the first adjusting seat, two parallel fixing blocks are fixedly connected to the end, away from the first adjusting seat, of the first telescopic rod, a kidney-shaped hole is formed in one side of the mounting frame, and a rotating shaft is fixedly connected between the symmetrical side walls in the kidney-shaped hole. According to the novel multi-directional vehicle license plate recognition device, the infrared sensor positions a vehicle, the first telescopic rod is controlled by the first adjusting base to do telescopic motion and drive the connecting rod to move, the connecting rod is provided with the rotating shaft in a penetrating mode, the rotating shaft serves as a fulcrum to enable the vehicle recognizer to move, and then the vehicle recognizer is rapidly adjusted to recognize the vehicle license plate.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle license plate recognition, in particular to a highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device. Background Art

[0002] Property management refers to the activities of property owners selecting and hiring property service companies, and the owners and property service companies carrying out the repair, maintenance and management of houses and supporting facilities and equipment and related venues in accordance with the property service contract, and maintaining environmental sanitation and related order within the property management area. The vehicle identification access control installed at the entrances and exits of the community also falls within the scope of property management.

[0003] In the prior art, for example, the patent publication number CN216211219U discloses a multi-directional vehicle license plate recognition device, including a mounting frame, the mounting frame including a U-shaped frame; two arc-shaped guide plates are fixed between the two ends of the U-shaped frame; an identification seat is slidably matched between the inner sides of the two arc-shaped guide plates; a limit guide groove is opened on the inner side of the U-shaped frame; a threaded rod is rotatably connected to the inner side of the U-shaped frame and located between the two ends of the limit guide groove through a ball bearing; a movable frame matched with the limit guide groove is threadedly connected to the side of the threaded rod; and the movable frame is rotatably connected to the identification seat on the side close to the arc-shaped guide plate. The utility model rotates the threaded rod under the action of a servo motor and matches with the guide seat thread, so that the movable frame moves horizontally as a whole, and under the action of a guide cylinder, a connecting rod and a spring, the identification seat moves along the arc-shaped guide plate as a whole, and the angle of the license plate recognizer is adjusted, thereby reducing the time for vehicles to enter and exit and avoiding road congestion.

[0004] The multi-directional vehicle license plate recognition device in the above-mentioned patent has the following shortcomings: the above-mentioned document records that the servo motor controls the threaded rod, and the threaded rod drives the vehicle identifier to move on the arc guide plate, but this method changes the line of sight direction of the license plate identifier too slowly, and requires a long transition time in the middle, and cannot be quickly and accurately positioned. Moreover, the threaded rod and the arc guide plate are completely exposed to the outside and are prone to rust and corrosion. After long-term use, the sliding of the threaded rod and the arc guide plate will be very stuck. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device, which can more quickly and comprehensively recognize vehicle license plates and is not easily damaged.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient and damage-resistant multi-dimensional vehicle license plate recognition device, comprising a mounting frame, an infrared sensor and a vehicle identifier, the infrared sensor and the vehicle identifier are arranged on one side of the mounting frame, a first adjustment seat is fixedly connected to the bottom of the mounting frame, a first telescopic rod is movably connected to the first adjustment seat, two parallel fixed blocks are fixedly connected to one end of the first telescopic rod away from the first adjustment seat, a waist-shaped hole is opened on one side of the mounting frame, a rotating shaft is fixedly connected between the symmetrical side walls in the waist-shaped hole, a connecting rod with a cross-sectional diameter smaller than the waist-shaped hole is passed through the waist-shaped hole, the rotating shaft passes through the connecting rod and is rotatably connected, one end of the connecting rod extends to the outside of the mounting frame and is fixedly connected to one end of the vehicle identifier, and the other end of the connecting rod extends between the two fixed blocks and is rotatably connected.

[0007] Furthermore, a slider is fixedly connected to the bottom of the first adjustment seat, a sliding groove matching the slider is opened at the bottom of the installation frame, a second adjustment seat is fixedly connected to the bottom edge of the installation frame, a second telescopic rod is movably connected in the second adjustment seat, a push block is fixedly connected to one end of the second telescopic rod away from the second adjustment seat, one side of the push block is fixedly connected to the side surface of the first adjustment seat, and a straight slot matching the position of the rotating shaft is opened on one side of the connecting rod.

[0008] Furthermore, mounting plates are fixedly connected to the mounting frame on two symmetrical sides, and a mounting hole penetrating the mounting plate is provided on one side of the mounting plate.

[0009] Furthermore, baffles matching the installation frame are fixed or connected on two symmetrical sides of the installation frame.

[0010] Furthermore, baffles matching the installation frame are detachably and fixedly connected on two symmetrical sides of the installation frame.

[0011] Furthermore, a first fastener is provided on the two baffles, and one end of the first fastener is detachably fixedly connected to the side wall of the installation frame.

[0012] Furthermore, a cover plate is fixedly connected to the upper end of the vehicle identifier.

[0013] Furthermore, a symmetrical fixing plate is fixedly connected to the side surface of the second adjustment seat, and a second fastener is penetrated through one side of the fixing plate.

[0014] Furthermore, the slide groove is trapezoidal, and the cross section of the slider is trapezoidal matching the slide groove.

[0015] This new multi-directional vehicle license plate recognition device uses an infrared sensor to locate the vehicle, controls the first telescopic rod to telescope through the first adjustment base, drives the connecting rod to move, and the connecting rod is penetrated by a rotating shaft, and the vehicle identifier is moved with the rotating shaft as a fulcrum, thereby quickly and multi-directionally adjusting the vehicle identifier to recognize the vehicle license plate. The baffle protects the inside of the installation frame, and the cover protects the vehicle identifier, effectively protecting the vehicle identifier. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the first adjustment seat of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the installation frame of the utility model;

[0020] Figure 4 for Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 5 for Figure 2 The enlarged structural diagram at B in the middle;

[0022] Figure 6 for Figure 3 Enlarged structural diagram at point C in the middle.

[0023] In the figure: 1. installation frame; 2. vehicle identifier; 3. first adjustment seat; 4. first telescopic rod; 5. waist-shaped hole; 6. connecting rod; 7. fixing block; 8. rotating shaft; 9. straight slot; 10. slide groove; 11. slider; 12. second adjustment seat; 13. second telescopic rod; 14. installation plate; 15. baffle; 16. first fastener; 17. cover plate; 18. fixing plate; 19. second fastener; 20. infrared sensor; 21. push block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] See also Figure 1-6A highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device comprises a mounting frame 1, an infrared sensor 20 and a vehicle identifier 2, wherein the infrared sensor 20 and the vehicle identifier 2 are arranged on one side of the mounting frame 1, a first adjustment seat 3 is fixedly connected to the bottom of the mounting frame 1, a first telescopic rod 4 is movably connected to the first adjustment seat 3, and two parallel fixed blocks 7 are fixedly connected to one end of the first telescopic rod 4 away from the first adjustment seat 3, a waist-shaped hole 5 is opened on one side of the mounting frame 1, a rotating shaft 8 is fixedly connected between symmetrical side walls in the waist-shaped hole 5, a connecting rod 6 having a cross-sectional diameter smaller than that of the waist-shaped hole 5 is passed through the waist-shaped hole 5, the rotating shaft 8 passes through the connecting rod 6 and is rotatably connected, one end of the connecting rod 6 extends to the outside of the mounting frame 1 and is fixedly connected to one end of the vehicle identifier 2, and the other end of the connecting rod 6 extends between the two fixed blocks 7 and is rotatably connected.

[0027] The multi-directional vehicle license plate recognition device in this embodiment, when a vehicle needs to enter or exit the community gate, after the vehicle brakes in front of the gate, the infrared sensor 20 locates the vehicle and transmits the position of the vehicle to the system. The system sends instructions to the first adjustment seat 3 according to the position of the identified vehicle license plate. The first adjustment seat 3 adjusts the first telescopic rod 4 according to the on-site situation. The movement of the first telescopic rod 4 drives one end of the connecting rod 6 to move. The connecting rod 6 moves with the rotating shaft 8 as a fulcrum, so that the vehicle identifier 2 at the other end of the connecting rod 6 moves, and then the vehicle license plate is recognized. Through the above settings, the vehicle that needs to be recognized can be quickly located. The above-mentioned infrared sensor 20 and intelligent system are both prior art. The infrared sensor 20 and the vehicle identifier 2 are both electrically connected to the external control system, which can be the prior art of patent publication number CN216211219U, which will not be elaborated here.

[0028] See also Figure 5 and Figure 6 A slider 11 is fixedly connected to the bottom of the first adjustment seat 3, and a slide groove 10 matching the slider 11 is opened at the bottom of the installation frame 1. A second adjustment seat 12 is fixedly connected to the bottom edge of the installation frame 1, and a second telescopic rod 13 is movably connected in the second adjustment seat 12. A push block 21 is fixedly connected to the end of the second telescopic rod 13 away from the second adjustment seat 12, and one side of the push block 21 is fixedly connected to the side of the first adjustment seat 3, and a straight slot 9 matching the position of the rotating shaft 8 is opened on one side of the connecting rod 6; when the vehicle stops in a relatively biased position, when the movement trajectory of the first telescopic rod 4 cannot capture the vehicle license plate, the second adjustment seat 12 will be started, the second telescopic rod 13 will be adjusted, and the horizontal position of the first adjustment seat 3 will be adjusted. A straight slot 9 is opened at the position of the connecting rod 6 and the rotating shaft 8, and then the vehicle identifier 2 is adjusted in the horizontal direction, and the vehicle identifier 2 is adjusted in multiple directions.

[0029] See also Figure 1 and Figure 3The mounting frame 1 is symmetrically fixedly connected with mounting plates 14 on both sides, and a mounting hole penetrating the mounting plate 14 is opened on one side of the mounting plate 14; the mounting plate 14 is used to install the mounting frame 1, and mounting plates 14 are provided on both sides to facilitate the installation of the mounting frame 1 at different positions.

[0030] See also Figure 1 , baffles 15 matching the mounting frame 1 are fixed or connected to the mounting frame 1 on both symmetrical sides; the baffles 15 protect the interior of the mounting frame 1, and the baffles 15 and the mounting frame 1 are connected by welding, which is more stable.

[0031] See also Figure 1-3 A cover plate 17 is fixedly connected to the upper end of the vehicle identifier 2; the cover plate 17 protects the vehicle identifier 2 and effectively protects the vehicle identifier 2.

[0032] See also Figure 5 and Figure 6 The slide groove 10 is trapezoidal, and the cross section of the slider 11 is a trapezoidal shape matching the slide groove 10; the arrangement of the trapezoidal slide groove 10 and the slider 11, while the slider 11 can move, also limits the slider 11 to prevent the slider 11 from running out of the slide groove 10.

[0033] Embodiment 2

[0034] The multi-directional vehicle license plate recognition device in this embodiment has a substantially similar structure to the multi-directional vehicle license plate recognition device in the first embodiment. The main difference between the two is that: Figure 1 The mounting frame 1 has symmetrical two sides detachably fixedly connected with baffles 15 matching the mounting frame 1 ; the baffles 15 are connected to the mounting frame 1 in a detachable and fixed manner, which facilitates the later maintenance of the interior of the mounting frame 1 .

[0035] See also Figure 1 A first fastener 16 is provided on the two baffles 15, and one end of the first fastener 16 is detachably fixedly connected to the side wall of the installation frame 1; the first fastener 16 can be specifically a bolt, and a threaded hole is provided on the symmetrical side of the installation frame 1, and a mounting hole matching the threaded hole is provided on one side of the baffle 15. During installation, align the mounting hole with the threaded hole, and insert and tighten the first fastener 16.

[0036] Embodiment 3

[0037] The multi-directional vehicle license plate recognition device in this embodiment has a substantially same structure as the multi-directional vehicle license plate recognition device in Embodiment 1 and Embodiment 2. The only difference between the three is: Figure 6A symmetrical fixing plate 18 is fixedly connected to the side of the second adjustment seat 12, and a second fastener 19 is penetrated on one side of the fixing plate 18; a through hole is opened on the fixing plate 18, and a threaded hole matching the through hole is opened at the bottom of the installation frame 1. The second fastener 19 can be a bolt. When installing, align the through hole with the threaded hole, insert the bolt and tighten it. The above setting is convenient for future maintenance work and can be removed.

[0038] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0039] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device, comprising a mounting frame (1), an infrared sensor (20) and a vehicle identifier (2), wherein the infrared sensor (20) and the vehicle identifier (2) are arranged on one side of the mounting frame (1), characterized in that: A first adjustment seat (3) is fixedly connected to the bottom of the installation frame (1), a first telescopic rod (4) is movably connected to the first adjustment seat (3), and one end of the first telescopic rod (4) away from the first adjustment seat (3) is fixedly connected to two parallel fixed blocks (7), a waist-shaped hole (5) is opened on one side of the installation frame (1), a rotating shaft (8) is fixedly connected between symmetrical side walls in the waist-shaped hole (5), a connecting rod (6) with a cross-sectional diameter smaller than that of the waist-shaped hole (5) is passed through the waist-shaped hole (5), the rotating shaft (8) passes through the connecting rod (6) and is rotatably connected, one end of the connecting rod (6) extends to the outside of the installation frame (1) and is fixedly connected to one end of the vehicle identifier (2), and the other end of the connecting rod (6) extends between the two fixed blocks (7) and is rotatably connected.

2. The highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device according to claim 1, characterized in that: A slider (11) is fixedly connected to the bottom of the first adjustment seat (3); a slide groove (10) matching the slider (11) is provided at the bottom of the installation frame (1); a second adjustment seat (12) is fixedly connected to the bottom edge of the installation frame (1); a second telescopic rod (13) is movably connected to the second adjustment seat (12); a push block (21) is fixedly connected to one end of the second telescopic rod (13) away from the second adjustment seat (12); one side of the push block (21) is fixedly connected to the side of the first adjustment seat (3); and a straight notch (9) matching the position of the rotating shaft (8) is provided on one side of the connecting rod (6).

3. A highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device according to claim 1 or 2, characterized in that: The mounting frame (1) is symmetrically fixedly connected to mounting plates (14) on both sides, and a mounting hole penetrating the mounting plate (14) is provided on one side of the mounting plate (14).

4. The highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device according to claim 1, characterized in that: Baffles (15) matching the installation frame (1) are fixed or connected symmetrically on both sides of the installation frame (1).

5. The highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device according to claim 1, characterized in that: Baffles (15) matching the installation frame (1) are detachably and fixedly connected on both symmetrical sides of the installation frame (1).

6. The highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device according to claim 5, characterized in that: A first fastener (16) is provided on the two baffles (15), and one end of the first fastener (16) is detachably fixedly connected to the side wall of the installation frame (1).

7. A highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device according to claim 1, 2, 4, 5 or 6, characterized in that: A cover plate (17) is fixedly connected to the upper end of the vehicle identifier (2).

8. The highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device according to claim 2, characterized in that: A symmetrical fixing plate (18) is fixedly connected to the side of the second adjustment seat (12), and a second fastener (19) is passed through one side of the fixing plate (18).

9. The highly efficient and damage-resistant multi-dimensional vehicle license plate recognition device according to claim 2 or 8, characterized in that: The slide groove (10) is trapezoidal, and the cross section of the slider (11) is a trapezoidal shape matching the slide groove (10).

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