CN217787893U

CN217787893U - License plate recognition device with distance measurement and night illumination functions for toll station

Info

Publication number: CN217787893U
Application number: CN202123298248.5U
Authority: CN
Inventors: 陈奕昆; 唐陵衡
Original assignee: Guangdong Jiancai Net Technology Co ltd
Current assignee: Guangdong Jiancai Net Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-11-11
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to a license plate recognition device field specifically discloses a license plate recognition device that possesses range finding and night illumination function that toll station used, including support and body, be provided with light and range finding sensor on the body, the activity is provided with the movable block on the lateral wall of body, and the bottom of movable block is provided with the baffle, and servo motor is installed to the lateral wall of body, and servo motor's output is connected with the threaded rod, and the threaded rod is connected with the movable block, and lateral wall on the body is provided with the stopper, is provided with the guide arm on the movable block, and the guide arm slides and sets up in the stopper, the utility model discloses start servo motor, servo motor drives the threaded rod and rotates, under the limiting displacement of stopper and guide arm, can make the movable block drive the baffle reciprocate, and the baffle shelters from regional change can realize the adjustment to the output luminance of light to the light. The interference of the illumination lamp on the driver is avoided, and the safe driving of the driver is ensured.

Description

License plate recognition device with distance measurement and night illumination functions for toll station

Technical Field

The utility model relates to a license plate recognition device technical field especially relates to a license plate recognition device who possesses range finding and night illumination function that toll station used.

Background

The license plate recognition device realizes the recognition of the license plate through the image processing technology by acquiring the front or rear images of the vehicle. Generally, a vehicle license plate recognition device is provided with a distance measurement sensor and an illumination lamp for measuring distance and illuminating at night. Because the frequent switching can produce impulse current, the impulse current is much more than rated normal operating current, and the damage to electrical equipment is serious, so the illuminating lamp is generally normally on, but the normally-on illuminating lamp can cause interference to a driver, and hidden danger is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing illuminating lamp in the prior art is often bright and can cause interference to the driver, causing the shortcoming of hidden danger, and the license plate recognition device who possesses range finding and night illumination function that a toll station used that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a license plate recognition device that possesses range finding and night illumination function that toll station was used, is in including support and setting the body on the top of support, be provided with light and range finding sensor on the body, the activity is provided with the movable block on the lateral wall of body, the bottom of movable block is provided with the baffle, the baffle can be with after removing the light shelters from, servo motor is installed to the lateral wall of body, servo motor's output is connected with the threaded rod, the threaded rod with the movable block is connected, lateral wall on the body is provided with the stopper, be provided with the guide arm on the movable block, the guide arm slides and sets up in the stopper.

Preferably, the top end of the body is provided with a cover body, and the top end of the cover body is provided with an inclined plane.

Preferably, the number of the inclined planes is two, so that the top end of the cover body forms a triangle.

Preferably, the cover body is provided with a diversion trench, and the diversion trench is arranged along the inclined direction of the inclined plane.

Preferably, the top end of the guide rod is provided with a first limiting plate, and the bottom end of the threaded rod is provided with a second limiting plate.

Preferably, the lateral wall of body is provided with the mounting bracket, servo motor installs on the mounting bracket, the last buckler that is provided with of servo motor.

The beneficial effects of the utility model are that:

the utility model discloses start servo motor, servo motor drives the threaded rod and rotates, under the limiting displacement of stopper and guide arm, can make the movable block drive the baffle and reciprocate, and the baffle shelters from regional change to the lighting lamp and can realize the adjustment to the output luminance of lighting lamp. The interference of the normal lighting of the illuminating lamp to the driver is avoided, and the safe driving of the driver is ensured.

Drawings

Fig. 1 is a perspective view of a license plate recognition device with distance measurement and night illumination functions for a toll station according to the present invention;

FIG. 2 is a front view of a license plate recognition device with distance measurement and night illumination functions for a toll station shown in FIG. 1;

FIG. 3 is a top view of the license plate recognition device with distance measurement and night illumination functions for the toll station shown in FIG. 1;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 3 at A;

fig. 6 is a partially enlarged view at C in fig. 4.

In the figure: the lamp comprises a support 1, a body 2, a cover body 3, an inclined plane 31, a flow guide groove 32, a mounting frame 4, a servo motor 5, a threaded rod 6, a limiting block 7, a baffle 8, a lighting lamp 9, a movable block 10, a guide rod 11, a first limiting block 12 and a second limiting block 13.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, a license plate recognition device with distance measurement and night illumination functions for a toll station includes a support 1 and a body 2 disposed on the top of the support 1, a camera for obtaining vehicle images is disposed on the body 2, an illumination lamp 9 and a distance measurement sensor are disposed on the body 2, a moving block 10 is movably disposed on a side wall of the body 2, a baffle 8 is disposed at the bottom end of the moving block 10, and the baffle 8 can shield the illumination lamp 9 after moving, so as to adjust the brightness output by the illumination lamp 9. Specifically, servo motor 5 is installed to the lateral wall of body 2, and is concrete, the lateral wall of body 2 is provided with mounting bracket 4, servo motor 5 is installed on mounting bracket 4, be provided with the buckler on the servo motor 5. The output end of the servo motor 5 is connected with a threaded rod 6, the threaded rod 6 is connected with the moving block 10, a limiting block 7 is arranged on the side wall of the body 2, a guide rod 11 is arranged on the moving block 10, and the guide rod 11 is arranged in the limiting block 7 in a sliding mode. The servo motor 5 is started, the servo motor 5 drives the threaded rod 6 to rotate, and the moving block 10 can drive the baffle 8 to move up and down under the limiting effect of the limiting block 7 and the guide rod 11.

In a preferred embodiment, the top end of the guiding rod 11 is provided with a first limit plate 12, and the bottom end of the threaded rod 6 is provided with a second limit plate 13. The first limiting plate 12 and the second limiting plate 13 both limit the movement of the moving block 10. It is understood that, in order to protect the first and second

limiting plates

12 and 13, a cushion is disposed on the first and/or second

limiting plates

12 and 13.

Further, a cover body 3 is arranged at the top end of the body 2, and an inclined plane 31 is arranged at the top end of the cover body 3. In the present embodiment, the number of the inclined surfaces 31 is two, so that the top end of the cover 3 forms a triangle. The cover body 3 is provided with a diversion trench 32, and the diversion trench 32 is arranged along the inclined direction of the inclined plane 31.

In a preferred embodiment, the number of the inclined planes 31 may be 1 or more, the inclined planes 31 can play a role of protecting and shielding the body 2, and the diversion trench 32 facilitates diversion of rainwater and the like.

In the embodiment, after the camera on the body 2 acquires the vehicle image, the license plate recognition is realized through the existing image processing technology, the distance measuring sensor acquires the position information of the vehicle, and the illuminating lamp 9 is used for illuminating and adjusting the brightness in the vehicle image. When the lighting conditions of the toll station are good and the dependence on the lighting lamp 9 is small, the brightness of the output of the lighting lamp 9 needs to be reduced or even turned off. Frequent switch can produce impulse current and damage seriously to electrical equipment, consequently keeps the output state of light 9, starts servo motor 5, and servo motor 5 drives threaded rod 6 and rotates, under the limiting displacement of stopper 7 and guide arm 11, can make the movable block 10 drive baffle 8 and reciprocate, and baffle 8 shelters from regional change to light 9 and can realize the adjustment to the output luminance of light 9. The interference of the illumination lamp on the driver is avoided, and the safe driving of the driver is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a license plate recognition device that possesses range finding and night illumination function that toll station used, its characterized in that, including support (1) and setting body (2) on the top of support (1), be provided with light (9) and range finding sensor on body (2), the activity is provided with movable block (10) on the lateral wall of body (2), the bottom of movable block (10) is provided with baffle (8), baffle (8) remove the back can shelter from light (9), servo motor (5) are installed to the lateral wall of body (2), the output of servo motor (5) is connected with threaded rod (6), threaded rod (6) with movable block (10) are connected, the lateral wall on body (2) is provided with stopper (7), be provided with guide arm (11) on movable block (10), guide arm (11) slide and set up in stopper (7).

2. The license plate recognition device with distance measurement and night illumination functions for the toll station as claimed in claim 1, wherein a cover (3) is disposed at the top end of the body (2), and an inclined surface (31) is disposed at the top end of the cover (3).

3. The license plate recognition device with distance measurement and night illumination functions for a toll station according to claim 2, wherein the number of the inclined surfaces (31) is two, so that the top end of the cover body (3) forms a triangle.

4. The license plate recognition device with distance measurement and night illumination functions for the toll station as claimed in claim 3, wherein the cover body (3) is provided with a guiding groove (32), and the guiding groove (32) is arranged along the inclined direction of the inclined surface (31).

5. The license plate recognition device with distance measurement and night illumination functions for the toll station according to claim 1, wherein a first limiting plate (12) is arranged at the top end of the guide rod (11), and a second limiting plate (13) is arranged at the bottom end of the threaded rod (6).

6. The license plate recognition device with distance measurement and night illumination functions for the toll station as claimed in claim 1, wherein a mounting frame (4) is arranged on a side wall of the body (2), the servo motor (5) is mounted on the mounting frame (4), and a waterproof cover is arranged on the servo motor (5).