License plate recognition device

By introducing adjustment and rotation components into the license plate recognition device, the problem of manually resetting the camera position is solved, realizing automated expansion of the license plate recognition range and automatic resetting, thus improving the convenience and efficiency of license plate recognition.

CN224052727UActive Publication Date: 2026-03-27GUANGZHOU QIANLONG ELECTRONICS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing license plate recognition devices, the camera position needs to be manually adjusted to reset, which is inconvenient to use.

Method used

An adjustment component is used to drive the recognition component to slide on the gate arm, and a rotating component is used to rotate the end of the gate arm upward to achieve automatic reset and improve the license plate recognition range.

Benefits of technology

It enables automatic camera position reset and expands the license plate recognition range, improving the automation and efficiency of license plate recognition.

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Abstract

The utility model relates to the technical field of license plate recognition, in particular to a license plate recognition device which comprises a mounting box, a brake bar, an adjusting assembly, a recognition assembly and a rotating assembly. The brake bar is installed on the inner side of the installation box, one end of the brake bar extends towards the side face of the installation box and rotates towards the upper portion of the installation box, and a supporting rod used for supporting one end of the brake bar in the using state is arranged at the bottom of one end of the brake bar. The identification assembly is slidably installed on the inner side of the brake bar, and the top end extends to the position above the brake bar. The adjusting assembly is rotationally mounted on the inner side of the brake bar and inserted into the bottom end of the recognition assembly, and one end of the adjusting assembly extends to the other side of the mounting box; the adjusting assembly drives the recognition assembly to move on the brake bar, the recognition assembly conducts license plate recognition on the position in front of the brake bar in the moving process, the license plate recognition range is widened, the recognition assembly is reset, the rotating assembly drives the end of the adjusting assembly and the end of the brake bar to rotate towards the upper portion of the installation box, and vehicles are released.
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Description

TECHNICAL FIELD

[0001] The utility model relates to license plate recognition technical field, concretely relates to a license plate recognition device. BACKGROUND

[0002] In order to facilitate the management work to vehicle, often adopt in the vehicle import and export license plate recognition barrier, and according to the recognition result to vehicle is released or prohibits the vehicle to enter.

[0003] The Chinese patent document with the authorization announcement number CN221946517U discloses a license plate recognition barrier device, which comprises a barrier and a gate lever, a license plate recognition assembly is installed on the barrier, the license plate recognition assembly comprises a license plate recognizer and a camera one, an auxiliary assembly is installed at one end of the gate lever, the auxiliary assembly comprises a sliding sleeve and a camera two, a movable assembly is installed on the inner side of the gate lever, the movable assembly comprises a sliding groove and a spring, an air inlet assembly is installed at one end of the gate lever, the air inlet assembly comprises a filter screen and a one-way valve one, a cleaning assembly is installed on the inner side of the gate lever, and the cleaning assembly comprises a groove and a sponge.

[0004] However, the above-mentioned scheme in use, the gate lever upward, the sliding sleeve compresses the spring by gravity and moves to the inner side of the gate lever, the camera two cleans the work by moving to the inner side of the gate lever, the gate lever rotates downward, the spring pushes the sliding sleeve outward, and the camera two resets, and since the weight of the sliding sleeve is constant, the spring also bears the weight of the sliding sleeve when pushing the sliding sleeve, so that the position of the camera two needs to be adjusted manually to reset. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a license plate recognition device.

[0006] The technical scheme of the utility model: a license plate recognition device, which comprises a mounting box, a gate lever, an adjusting assembly, a recognition assembly and a rotating assembly.

[0007] The gate lever is installed on the inner side of the mounting box and extends to the side of the mounting box at one end and rotates upwardly, and the bottom of one end of the gate lever is provided with a supporting rod for supporting the one end of the gate lever in use.

[0008] The recognition assembly is slidingly installed on the inner side of the gate lever and extends to the upper side of the gate lever at the top end.

[0009] The adjusting assembly is rotatably installed on the inner side of the gate lever and is inserted at the bottom end of the recognition assembly, and one end extends to the other side of the mounting box.

[0010] The rotating assembly is arranged on the inner side of the mounting box and connected with the gate lever.

[0011] Preferably, the gate lever comprises a supporting rod and a blocking rod.

[0012] The support rod is fixedly installed on the inner side of the installation box;

[0013] The blocking rod is installed on one end of the support rod and extends to the side of the installation box.

[0014] Preferably, the identification assembly comprises a sliding block and a camera;

[0015] The sliding block is slidingly installed on the inner side of the support rod and the blocking rod;

[0016] The camera is installed on the top end of the sliding block and is arranged towards the front of the installation box.

[0017] Preferably, the top end of the support rod and the blocking rod are provided with sliding grooves, and the sliding block is accommodated in the sliding grooves in the matching installation state of the support rod, the blocking rod and the sliding block.

[0018] Preferably, the middle part of the support rod is hollow, and the middle part of the support rod is communicated with the sliding grooves.

[0019] Preferably, the adjusting assembly comprises a first motor, a first adjusting rod and a second adjusting rod;

[0020] The first adjusting rod is rotationally installed on the inner side of the support rod and extends to the other side of the installation box at one end;

[0021] The first motor is installed on the other side of the installation box and is rotationally connected with the first adjusting rod;

[0022] The second adjusting rod is installed on the other end of the first adjusting rod, and the end part is rotationally installed on the inner side of the blocking rod and is inserted into the middle part of the sliding block.

[0023] Preferably, the middle part of the sliding block is provided with a threaded hole, and the outer sides of the first adjusting rod and the second adjusting rod are provided with threads, and the first adjusting rod and the second adjusting rod are accommodated in the threaded hole in the matching installation state of the sliding block, the first adjusting rod and the second adjusting rod.

[0024] Preferably, the rotating assembly comprises a gear set and a second motor;

[0025] The gear set is arranged on the inner side of the installation box and is connected with the blocking rod;

[0026] The second motor is installed on the inner side of the installation box and is connected with the gear set.

[0027] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0028] The utility model discloses a rotating assembly, an adjusting assembly and an identification assembly are arranged on the installation box, the support rod is fixedly installed on the inner side of the installation box, the blocking rod is installed on one end of the support rod and extends to the side of the installation box, the sliding block is slidingly installed on the inner side of the support rod and the blocking rod, the camera is installed on the top end of the sliding block and is arranged towards the front of the installation box, the top end of the support rod and the blocking rod are provided with sliding grooves, and the sliding block is accommodated in the sliding grooves in the matching installation state of the support rod, the blocking rod and the sliding block, the middle part of the support rod is hollow, and the middle part of the support rod is communicated with the sliding grooves, the adjusting assembly comprises a first motor, a first adjusting rod and a second adjusting rod, the first adjusting rod is rotationally installed on the inner side of the support rod and extends to the other side of the installation box at one end, the first motor is installed on the other side of the installation box and is rotationally connected with the first adjusting rod, the second adjusting rod is installed on the other end of the first adjusting rod, and the end part is rotationally installed on the inner side of the blocking rod and is inserted into the middle part of the sliding block, the middle part of the sliding block is provided with a threaded hole, and the outer sides of the first adjusting rod and the second adjusting rod are provided with threads, and the first adjusting rod and the second adjusting rod are accommodated in the threaded hole in the matching installation state of the sliding block, the first adjusting rod and the second adjusting rod, the rotating assembly comprises a gear set and a second motor, the gear set is arranged on the inner side of the installation box and is connected with the blocking rod, and the second motor is installed on the inner side of the installation box and is connected with the gear set, and the utility model has the advantages that the identification assembly is driven to move on the gate rod by the adjusting assembly, the front position of the gate rod is identified by the identification assembly during the movement, the license plate identification range is improved, the identification assembly is reset, the end part of the adjusting assembly and the gate rod is rotated to the upper side of the installation box by the rotating assembly, and the vehicle is released. Attached Figure Description

[0029] Fig. 1 This is a perspective view of one embodiment of the present invention.

[0030] Fig. 2 This is a schematic diagram of the rotating component structure in one embodiment of the present invention.

[0031] Fig. 3 This is an exploded view of the connection structure of the gate arm, adjustment component, and identification component in one embodiment of the present invention.

[0032] Reference numerals: 1. Mounting box; 2. Gate arm; 21. Support rod; 22. Stop bar; 23. Slide groove; 3. Adjustment assembly; 31. First motor; 32. First adjusting rod; 33. Second adjusting rod; 4. Identification assembly; 41. Slider; 42. Threaded hole; 43. Camera; 5. Support rod; 6. Gear set; 7. Second motor. Detailed Implementation

[0033] Example 1

[0034] like Figs. 1-3 As shown, the license plate recognition device proposed in this utility model includes a mounting box 1, a gate arm 2, an adjustment component 3, a recognition component 4, and a rotation component;

[0035] The gate arm 2 is installed inside the mounting box 1, with one end extending to the side of the mounting box 1 and rotating upwards. The bottom of one end of the gate arm 2 is provided with a support rod 5 for supporting one end of the gate arm 2 in use. It should be noted that the middle part of the support rod 5 is hollow, and the middle part of the support rod 5 is connected to the slide groove 23 to drain the rainwater inside the gate arm 2 in use.

[0036] The identification component 4 is slidably installed on the inside of the gate arm 2 and its top extends to the top of the gate arm 2;

[0037] The adjusting component 3 is rotatably installed on the inside of the gate arm 2 and inserted into the bottom of the identification component 4, with one end extending to the other side of the mounting box 1;

[0038] The rotating assembly is located inside the mounting box 1 and connected to the gate arm 2.

[0039] In the embodiment, the license plate is identified by the identification assembly 4, and the identification assembly 4 is driven by the adjusting assembly 3 to slide on the gate rod 2, so that the identification assembly 4 moves along the length direction of the gate rod 2 and identifies the front of the gate rod 2 during the movement, the identification range of the identification assembly 4 is improved, the end of the gate rod 2 is supported by the supporting rod 5, so that the gate rod 2 is prevented from being bent downward, and after the license plate is identified by the identification assembly 4, the identification assembly 4 is driven by the adjusting assembly 3 to move to the inside of the mounting box 1 and reset, and the end of the adjusting assembly 3 and the gate rod 2 is driven by the rotating assembly to rotate upwards of the mounting box 1, so that the vehicle is released.

[0040] Embodiment two

[0041] As shown in Fig. 3 the utility model discloses a license plate recognition device, and compared with embodiment one, the difference of the embodiment lies in that the gate rod 2 includes the support rod 21 and the blocking rod 22.

[0042] The support rod 21 is fixedly installed on the inside of the mounting box 1.

[0043] The blocking rod 22 is installed on one end of the support rod 21 and extends to the side of the mounting box 1, and the blocking rod 22 and the end of the support rod 21 can be vertically rotated.

[0044] In an optional embodiment, the rotating assembly includes a gear set 6 and a second motor 7.

[0045] The gear set 6 is arranged on the inside of the mounting box 1 and connected with the blocking rod 22, wherein the gear set 6 is composed of a plurality of gears, which is used for protecting the second motor 7 during use, so as to avoid the damage of the second motor 7 caused by the heavy weight of the gate rod 2.

[0046] The second motor 7 is installed on the inside of the mounting box 1 and connected with the gear set 6.

[0047] In the embodiment, after the identification assembly 4 identifies, the identification assembly 4 moves to the support rod 21 through the adjusting assembly 3, and the second motor 7 drives the gear set 6 to run, so that the gear set 6 drives the blocking rod 22 to rotate upwards of the mounting box 1 at the end of the support rod 21, and the vehicle is released.

[0048] Embodiment three

[0049] As shown in Fig. 3 the utility model discloses a license plate recognition device, and compared with embodiment one, the difference of the embodiment lies in that the identification assembly 4 includes a sliding block 41 and a camera 43.

[0050] The sliding block 41 is slidingly installed on the inside of the support rod 21 and the blocking rod 22.

[0051] The camera 43 is installed at the top end of the sliding block 41 and is arranged towards the front of the installation box 1.

[0052] In an optional embodiment, the top end of the support rod 21 and the blocking rod 22 are provided with a sliding groove 23, and in the matching installation state of the support rod 21 and the blocking rod 22 and the sliding block 41, the sliding block 41 is matched and accommodated in the sliding groove 23.

[0053] In the embodiment, the sliding block 41 is driven to slide in the sliding groove 23 by the adjusting assembly 3, so that the sliding block 41 drives the camera 43 to move along the length direction of the blocking rod 22, and the camera 43 performs the license plate recognition work towards the front of the blocking rod 22 in the moving process, so that the recognition range of the camera 43 is increased.

[0054] Embodiment four

[0055] As shown in Fig. 3 The adjusting assembly 3 comprises a first motor 31, a first adjusting rod 32 and a second adjusting rod 33 in the license plate recognition device.

[0056] The first adjusting rod 32 is rotationally installed on the inner side of the support rod 21 and extends to the other side of the installation box 1 at one end.

[0057] The first motor 31 is installed on the other side of the installation box 1 and rotationally connected with the first adjusting rod 32.

[0058] The second adjusting rod 33 is installed at the other end of the first adjusting rod 32, and the end portion is rotationally installed on the inner side of the blocking rod 22 and inserted into the middle portion of the sliding block 41, wherein the first adjusting rod 32 and the end portion of the first adjusting rod 32 can be vertically rotated, and the first adjusting rod 32 and the second adjusting rod 33 can be rotationally adjusted on the inner side of the blocking rod 2, so that the first adjusting rod 32 and the second adjusting rod 33 can be angle-adjusted.

[0059] In an optional embodiment, the middle portion of the sliding block 41 is provided with a threaded hole 42, and the outer sides of the first adjusting rod 32 and the second adjusting rod 33 are provided with threads, and in the matching installation state of the sliding block 41 and the first adjusting rod 32 and the second adjusting rod 33, the first adjusting rod 32 and the second adjusting rod 33 are matched and accommodated in the threaded hole 42.

[0060] In the embodiment, the first adjusting rod 32 is driven to rotate by the first motor 31, so that the first adjusting rod 32 drives the second adjusting rod 33 to rotate, and the first adjusting rod 32 and the second adjusting rod 33 are matched with the threaded hole 42, so that the first adjusting rod 32 drives the sliding block 41 to move into the blocking rod 22, and the second adjusting rod 33 is connected with the sliding block 41, so that the second adjusting rod 33 drives the sliding block 41 to slide in the blocking rod 22, and the position of the camera 43 is adjusted.

[0061] In conclusion, in the utility model, through camera 43, license plate is identified, and through first motor 31, first adjusting rod 32 is driven to rotate, first adjusting rod 32 drives second adjusting rod 33 to rotate, and through the screw hole 42 and the screw thread cooperation of first adjusting rod 32 and second adjusting rod 33, first adjusting rod 32 drives slider 41 to move in baffle rod 22 and is connected with second adjusting rod 33, second adjusting rod 33 drives slider 41 to slide in the inside of baffle rod 22, the position of camera 43 is adjusted, and in the moving process, camera 43 carries out license plate identification work to the front of baffle rod 22, improves license plate identification range, simultaneously, slider 41 is slid to support rod 21, the position of camera 43 is reset, and through second motor 7, driving gear set 6 is started to run, and gear set 6 drives baffle rod 22 to rotate in the upper of installation box 1 at the end of support rod 21, and the vehicle is released.

[0062] The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge scope of the technical personnel in the technical field to which the utility model belongs without departing from the purpose of the utility model.

Claims

1. A license plate recognition apparatus characterized by comprising: The utility model relates to a kind of barrier gate, including installation box (1), gate lever (2), adjusting assembly (3), identification assembly (4) and rotating assembly; Gate lever (2) is installed in the inside of installation box (1) and one end extends to the side of installation box (1) and rotates to the top of installation box (1), and the bottom of one end of gate lever (2) is equipped with the supporting rod (5) for supporting the one end of gate lever (2) in use state; Identification assembly (4) is slidably installed in the inside of gate lever (2) and extends to the top of gate lever (2) at top end; Adjusting assembly (3) is rotatably installed in the inside of gate lever (2) and is inserted in the bottom end of identification assembly (4), and one end extends to the other side of installation box (1); Rotating assembly is arranged in the inside of installation box (1) and is connected with gate lever (2); Gate lever (2) includes support rod (21) and stop lever (22); Support rod (21) is fixedly installed in the inside of installation box (1); Stop lever (22) is installed in one end of support rod (21) and extends to the side of installation box (1); Identification assembly (4) includes sliding block (41) and camera (43); Sliding block (41) is slidably installed in the inside of support rod (21) and stop lever (22); Camera (43) is installed in the top end of sliding block (41) and is arranged towards the front of installation box (1); Adjusting assembly (3) includes first motor (31), first adjusting rod (32) and second adjusting rod (33); First adjusting rod (32) is rotatably installed in the inside of support rod (21), and one end extends to the other side of installation box (1); First motor (31) is installed in the other side of installation box (1) and is rotatably connected with first adjusting rod (32); Second adjusting rod (33) is installed in the other end of first adjusting rod (32), and end portion is rotatably installed in the inside of stop lever (22) and is inserted in the middle part of sliding block (41); The middle part of sliding block (41) is provided with threaded hole (42), and the outside of first adjusting rod (32) and second adjusting rod (33) is provided with thread, in the cooperation installation state of sliding block (41) and first adjusting rod (32) and second adjusting rod (33), first adjusting rod (32) and second adjusting rod (33) are cooperatively accommodated in threaded hole (42); Rotating assembly includes gear set (6) and second motor (7); Gear set (6) is arranged in the inside of installation box (1) and is connected with stop lever (22); Second motor (7) is installed in the inside of installation box (1) and is connected with gear set (6).

2. The license plate recognition device of claim 1, wherein The top end of support rod (21) and stop lever (22) is provided with sliding slot (23), in the cooperation installation state of support rod (21) and stop lever (22) and sliding block (41), sliding block (41) is cooperatively accommodated in sliding slot (23).

3. The license plate recognition device of claim 2, wherein The middle part of supporting rod (5) is hollow, and the middle part of supporting rod (5) is communicated with sliding slot (23).

Citation Information

Patent Citations

  • License plate recognition barrier gate device

    CN221946517U