CN216291198U

CN216291198U - Light compensation device of license plate recognition camera

Info

Publication number: CN216291198U
Application number: CN202122566219.6U
Authority: CN
Inventors: 王一; 李忠霞; 雷干凤; 江灿新
Original assignee: Guangdong Qigong Industrial Group Co ltd
Current assignee: Guangdong Qigong Industrial Group Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-12
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a light compensation device of a license plate recognition camera, which is characterized by comprising a substrate and a plurality of high beam lamp beads and light scattering lamp beads which are fixed on the substrate, wherein a middle hole is formed in the substrate, the high beam lamp beads and the light scattering lamp beads are respectively arranged outside the middle hole, and the high beam lamp beads can be focused relatively far, so that light beyond 1.5 meters can be effectively compensated, and recognition is clearer; astigmatic lamp pearl light source compensation range is wide, can prevent the discernment that strong light brought caused simultaneously from blurring. The utility model has simple structure and stable performance.

Description

Light compensation device of license plate recognition camera

Technical Field

The utility model relates to the technical field of license plate recognition equipment, in particular to a light compensation device of a license plate recognition camera.

Background

The license plate recognition all-in-one machine is a machine which combines hardware such as camera shooting, light supplementing and storage required by license plate recognition and software algorithms such as snapshot and recognition, is an important component under an intelligent parking scene, can realize unmanned, intelligent and efficient parking lot, and in practical application, the license plate recognition all-in-one machine can shoot images through a camera, automatically recognize license plate numbers and license plate colors when vehicles enter and exit, judge vehicle types and the like, simultaneously record information such as entrance and exit time of the vehicles and the like, is combined with control equipment of an automatic door and a barrier machine, realizes automatic management of the vehicles, and is widely applied to various large parking places. The utility model provides a license plate recognition all-in-one machine as the Chinese patent application No. CN201720386922.X, which comprises a barrier, wherein a supporting rod is installed at the center of the outer upper surface of the barrier, a rotary bearing is installed at the top end of the supporting rod, a rotary shaft is connected onto the rotary bearing, a license plate recognition camera is fixedly connected to the other end of the rotary shaft, a U-shaped protective cover is sleeved on the outer upper surface of the barrier, which is positioned at the left side and the right side of the license plate recognition camera, a display screen is installed on the front side surface of the barrier, which is close to the upper side, and a light supplement lamp is installed on the front side surface of the barrier and is positioned below the display screen. The license plate recognition all-in-one machine with the patent structure integrates the license plate recognition camera, the barrier gate, the display screen and the light supplement lamp into an integrated device, so that the structure becomes compact and simple, the difficulty of construction and installation is greatly reduced, and the space is saved. But the shortcoming is that the light filling lamp mainly comprises many LED lamp pearls, and the light filling scope is little, can influence the degree of accuracy of license plate discernment night.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a light compensation device of a license plate recognition camera, which has a simple structure and stable performance.

The utility model adopts the following technical scheme to realize the purpose: a light compensation device of a license plate recognition camera is characterized by comprising a substrate and a plurality of high beam lamp beads and light scattering lamp beads which are fixed on the substrate, wherein a middle hole is formed in the substrate, the high beam lamp beads and the light scattering lamp beads are respectively arranged outside the middle hole, the high beam lamp beads can be focused relatively far, light rays beyond 1.5 meters can be effectively compensated, and recognition is clearer; astigmatic lamp pearl light source compensation range is wide, can prevent the discernment that strong light brought caused simultaneously from blurring.

As a further explanation of the above scheme, the high beam lamp beads and the astigmatic lamp beads are distributed up and down, the number of the high beam lamp beads is more than two, and the number of the astigmatic lamp beads is more than four.

Further, a plurality of mounting holes are respectively formed in both sides of the base plate for arranging fasteners.

Furthermore, a plurality of high beam lamp beads and light scattering lamp beads are arranged around the middle hole.

Furthermore, the substrate is a circuit board, and a lead wire externally connected with a power supply is arranged on the substrate.

Furthermore, be provided with distance light lamp stand and astigmatism lamp stand on the base plate, distance light lamp stand and astigmatism lamp stand are provided with the caulking groove respectively, and distance light lamp pearl is inlayed on the distance light lamp stand, and the astigmatism lamp stand is inlayed on the astigmatism lamp stand.

Furthermore, the caulking groove edge of distance light lamp stand and astigmatism lamp stand is provided with the location chimb of inwards extending, and the lower part joint of distance light lamp pearl and astigmatism lamp stand is on the location chimb.

The utility model adopts the technical scheme to achieve the beneficial effects.

According to the utility model, the substrate is provided with the plurality of high beam lamp beads and the plurality of light scattering lamp beads, and the high beam lamp beads and the light scattering lamp beads are matched for use, so that the high beam lamp beads can be focused relatively far, light rays beyond 1.5 meters can be effectively compensated, and the identification is clearer; astigmatic lamp pearl light source compensation range is wide, can prevent the discernment that strong light brought caused simultaneously from blurring.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Description of reference numerals: 1. base plate 2, high beam lamp pearl 3, astigmatism lamp pearl 4, well hole 5, wire 6, high beam lamp stand 7, astigmatism lamp stand, 8, location chimb.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.

As shown in fig. 1, the utility model is a light compensation device of a license plate recognition camera, which comprises a substrate 1 and a plurality of high beam lamp beads 2 and light diffusion lamp beads 3 fixed on the substrate 1, wherein a middle hole 4 corresponding to a camera lens is arranged on the substrate, the high beam lamp beads and the light diffusion lamp beads are arranged outside the middle hole in a surrounding manner, and the high beam lamp beads can focus relatively far, so that light rays beyond 1.5 meters can be effectively compensated, and recognition is clearer; astigmatic lamp pearl light source compensation range is wide, can prevent the discernment that strong light brought caused simultaneously from blurring.

In the embodiment, the number of the high beam lamp beads is two, the number of the light scattering lamp beads is four, and the light scattering lamp beads are symmetrically arranged on two sides of the middle hole 4; one high beam lamp bead and two floodlight lamp beads which are positioned on the same side are distributed up and down, one of the two floodlight lamp beads is positioned under the corresponding high beam lamp bead, and the other one is arranged on one side far away from the middle hole 4 and positioned on a perpendicular bisector of a connecting line between the high beam lamp bead and the dipped beam lamp bead. The advantage of this arrangement is that optimum focusing and fill lighting effects can be achieved. Obviously, in some embodiments, the positions of the three lamp beads can also be appropriately changed; the present embodiment is not limited. In this embodiment, a plurality of mounting holes are respectively formed at both sides of the substrate for disposing fasteners.

Further, the substrate is a circuit board, and a lead 5 externally connected with a power supply is arranged on the substrate. The base plate is provided with a high beam lamp holder 6 and an astigmatism lamp holder 7, wherein the high beam lamp holder and the astigmatism lamp holder are consistent in structure and are in a frustum shape with a narrow inside and a wide outside, the high beam lamp holder and the astigmatism lamp holder are respectively provided with an embedding groove, a high beam lamp bead is embedded on the high beam lamp holder, and the astigmatism lamp holder is embedded on the astigmatism lamp holder. The caulking groove edge of distance light lamp stand and astigmatism lamp stand is provided with the location chimb 8 of inside extension, and the lower part joint of distance light lamp pearl and astigmatism lamp stand is on the location chimb.

Compared with the prior art, the high beam lamp beads and the light scattering lamp beads are matched for use, the high beam lamp beads can be focused relatively far, light rays beyond 1.5 meters can be effectively compensated, and recognition is clearer; astigmatic lamp pearl light source compensation range is wide, can prevent the discernment that strong light brought caused simultaneously from blurring.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The light compensation device of the license plate recognition camera is characterized by comprising a substrate, and a plurality of high beam lamp beads and light scattering lamp beads which are fixed on the substrate, wherein a middle hole is formed in the substrate, and the high beam lamp beads and the light scattering lamp beads are arranged outside the middle hole in a surrounding mode.

2. The light compensation device for the license plate recognition camera of claim 1, wherein the high beam light beads and the astigmatic light beads are vertically distributed, the number of the high beam light beads is two or more, and the number of the astigmatic light beads is four or more.

3. The light compensation device for the license plate recognition camera of claim 2, wherein the number of the high beam light beads is two, and the number of the light diffusion beads is four, and the light diffusion beads are symmetrically arranged on two sides of the middle hole respectively;

one high beam lamp bead and two diffused lamp beads which are positioned on the same side are distributed up and down, one of the two diffused lamp beads is positioned under the corresponding high beam lamp bead, and the other one is arranged on one side far away from the middle hole and positioned on a perpendicular bisector of a connecting line between the high beam lamp bead and the low beam lamp bead.

4. The light compensating apparatus of claim 1, wherein a plurality of mounting holes are formed at both sides of the substrate for mounting fasteners.

5. The light compensation device for license plate recognition camera of claim 1, wherein the substrate is a circuit board, and a wire for connecting to an external power source is disposed on the substrate.

6. The light compensation device for license plate recognition camera of claim 1, wherein the substrate is provided with a high beam lamp holder and a light scattering lamp holder, the high beam lamp holder and the light scattering lamp holder are respectively provided with a caulking groove, the high beam lamp bead is embedded in the high beam lamp holder, and the light scattering lamp holder is embedded in the light scattering lamp holder.

7. The light compensation device for license plate recognition camera of claim 6, wherein the edge of the caulking groove of the high beam lamp holder and the astigmatic lamp holder is provided with a positioning convex edge extending inwards, and the lower part of the high beam lamp bead and the astigmatic lamp holder are clamped on the positioning convex edge.