CN212160934U - ETC lane monitoring antenna with license plate recognition function - Google Patents

Abstract

The utility model discloses an ETC lane monitoring antenna with license plate recognition function, which comprises an RSU module, wherein the RSU module is communicated with a vehicle-mounted OBU; further comprising: a video license plate recognition module; the video license plate recognition module is used for collecting vehicle images, recognizing vehicle information and outputting the vehicle information, vehicle snapshot images and videos. The utility model discloses a ETC lane monitoring antenna has RSU antenna detection simultaneously and detects recognition function with the video vehicle, does not cause the problem that current vehicle missed to examine because of RSU antenna or on-vehicle OBU's inefficacy, avoids ETC to charge wrong hourglass.

Description

ETC lane monitoring antenna with license plate recognition function

Technical Field

The utility model relates to the technical field of antennas, concretely relates to take ETC lane control antenna of license plate recognition function.

Background

The RSU antenna used by the ETC toll lane at present transmits/receives a vehicle-mounted OBU signal through the antenna so as to acquire passing vehicle information, and when the RSU antenna or the vehicle-mounted OBU fails, the passing vehicle information is lost.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the prior art, the utility model provides a take ETC lane monitoring antenna of license plate recognition function.

The utility model discloses an ETC lane monitoring antenna with license plate recognition function, which comprises an RSU module, wherein the RSU module is communicated with a vehicle-mounted OBU; further comprising: a video license plate recognition module;

the video license plate recognition module is used for collecting vehicle images, recognizing vehicle information and outputting the vehicle information, vehicle snapshot images and videos.

As a further improvement of the utility model, the utility model also comprises a central control module;

the central control module is connected with the RSU module and the video license plate recognition module, and the central control module charges the data of the RSU module or the video license plate recognition module for the passing through of a rear-end platform center through a communication module.

As a further improvement of the utility model, the utility model also comprises a power supply module;

and the power supply module is connected with the RSU module, the video license plate recognition module and the central control module and is used for providing working voltage required by the device.

As a further improvement of the present invention, the RSU module includes a microwave antenna, a microwave signal transmitting/receiving unit, and a microwave signal processing unit;

the microwave antenna is connected with the microwave signal transmitting/receiving unit, and the microwave signal transmitting/receiving unit is connected with the microwave signal processing unit.

As a further improvement of the utility model, the video license plate recognition module comprises an image acquisition front-end unit, an image processing unit and an image recognition unit;

the image acquisition front-end unit is connected with the image processing unit, and the image processing unit is connected with the image identification unit.

As a further improvement, the video license plate recognition module is the video identification intelligent camera who has high definition camera lens and high definition image sensor.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a ETC lane monitoring antenna has RSU antenna detection simultaneously and detects recognition function with the video vehicle, does not cause the problem that current vehicle missed to examine because of RSU antenna or on-vehicle OBU's inefficacy, avoids ETC to charge wrong hourglass.

Drawings

Fig. 1 is the utility model relates to an embodiment discloses a take ETC lane monitoring antenna's of license plate recognition function structural schematic diagram.

In the figure:

10. an RSU module; 11. a microwave antenna; 12. a microwave signal transmitting/receiving unit; 13. a microwave signal processing unit; 20. a video license plate recognition module; 21. an image acquisition front-end unit; 22. an image processing unit; 23. an image recognition unit; 30. a central control unit; 40. power supply and communication module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention is described in further detail below with reference to the accompanying drawings:

as shown in fig. 1, the utility model provides a take ETC lane monitoring antenna of license plate recognition function, include: the system comprises an RSU module 10, a video license plate recognition module 20, a central control unit 30 and a power supply and communication module 40; wherein the content of the first and second substances,

the RSU module 10 of the present invention is an existing conventional RSU antenna, and includes a microwave antenna 11, a microwave signal transmitting/receiving unit 12, and a microwave signal processing unit 13; the microwave antenna 11 is connected with the microwave signal transmitting/receiving unit 12, and the microwave signal transmitting/receiving unit 12 is connected with the microwave signal processing unit 13; the microwave signal processing unit 13 of the RSU module 10 sends/receives microwave signals to/from the outside through the microwave signal transmitting/receiving unit 12 and the microwave antenna 11, and after establishing connection with the vehicle-mounted OBU, can read vehicle information stored in the vehicle-mounted OBU, where the vehicle information includes a license plate number, a license plate color, a vehicle body color, and the like.

However, when the RSU module 10 or the vehicle-mounted OBU fails, the RSU module 10 cannot read the vehicle information stored in the vehicle-mounted OBU, thereby causing the problems of missed detection of passing vehicles and missed toll collection of the ETC.

To the above problem, the utility model discloses on the basis of RSU module 10, further increased the video license plate recognition module 20 parallel with RSU module 10, based on video license plate recognition module 20 gathers vehicle image and discernment vehicle information (vehicle information includes license plate number, license plate colour, automobile body colour etc.), output vehicle information, vehicle snapshot and video. The utility model discloses an increase parallel video license plate recognition module 20, after RSU module 10 or on-vehicle OBU became invalid, can further carry out the discernment of vehicle information through video license plate recognition module 20, avoid current vehicle to leak the problem of examining, ETC charge mistake and leak.

Further, the utility model discloses a vehicle collection that video license plate recognition module 20 realized and based on the vehicle image recognition vehicle information who gathers are current conventional function, and it does not belong to the improvement to the computer method. Preferably, the utility model discloses a video license plate recognition module 20 is the video identification intelligence camera that has high definition camera lens and high definition image sensor on the market. Furthermore, the video license plate recognition module 20 of the present invention comprises an image capturing front end unit 21, an image processing unit 22 and an image recognition unit 23, wherein the image capturing front end unit 21 is connected to the image processing unit 22, and the image processing unit 22 is connected to the image recognition unit 23; the image acquisition front-end unit 21 is a high-definition lens, and the image processing unit 22 is configured to perform image processing on an original image of the image acquisition front-end unit, such as image change, image enhancement and restoration, image segmentation, image classification, and the like, to obtain a type of image required by the image identification unit; the image recognition unit 23 is configured to recognize vehicle information such as a license plate number, a license plate color, and a vehicle body color from the collected vehicle image.

The functions implemented by the image acquisition front-end unit 21, the image processing unit 22 and the image recognition unit 23 are conventional technologies "refer to research on video detection _ recognition and tracking methods of vehicles in an intelligent transportation system (xiaopenc, china ocean university), an automatic vehicle license plate recognition system (guijuan, northeast university), and a static image recognition system of vehicle license plates (yingwei, zhejiang industry university).

In order to realize the selection of the vehicle information collected by the RSU module 10 and the video license plate recognition module 20, the ETC lane monitoring antenna of the present invention further includes a central control module 30 and a power and communication module 40; the central control module 30 is connected to the RSU module 10 and the video license plate recognition module 20, and charges the data (vehicle information, snapshot images, videos, and the like) of the RSU module 10 or the video license plate recognition module 20 for the back-end platform center through the communication module.

The utility model discloses well accuse module 30's functional design does:

the first input end of the central control module 30 is connected with the RSU module 10, the second input end is connected with the video license plate recognition module 20, and each input end is provided with a data acquisition unit;

when the data acquisition device acquires that no data is input at the first input end and data is input at the second input end, the central control module 30 transmits the data acquired by the video license plate recognition module 20 to the center of the rear-end platform through the power supply and communication module 40 to carry out toll collection on the vehicle;

when the data acquisition device acquires that no data is input at the second input end and data is input at the first input end, the central control module 30 transmits the data acquired by the RSU module 10 to the rear-end platform center through the power supply and communication module 40 to carry out toll collection on the vehicle;

when the data acquisition device acquires that the first input end and the second input end have data input, the central control module 30 transmits the data acquired by the RSU module 10 to the rear-end platform center through the power supply and communication module 40 to perform toll collection of the vehicle.

The central control module is used for time sequence matching, storage, transmission and the like of data output by the RSU module and the video license plate recognition module, is the conventional technology, and can refer to ' design of a multichannel data acquisition system based on an FPGA (Shanghai traffic university electronic information and Stachys, Changyue and Lihai State of electric engineering institute) ' design of Zhengrui, Xiaoshun, Quyong, Chengning and Luchun of an electronic information engineering institute of Western Huashi university and a multi-rate transmission system ' in the design of the multichannel data acquisition and multi-rate transmission system based on the FPGA.

The power supply and communication module 40 is used for providing working voltage for the whole device and providing an external data communication interface; preferably, the power and communication module 40 is in data communication with the lane controller or computer, including an anti-static design, a lightning protection design, a wireless communication design, a wired communication design, and the like.

Further, the utility model discloses a RSU module 10, video license plate recognition module 20, well accuse unit 30, power and the integrated body design of communication module 40.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An ETC lane monitoring antenna with a license plate recognition function comprises an RSU module, wherein the RSU module is communicated with a vehicle-mounted OBU; it is characterized by also comprising: a video license plate recognition module;

the video license plate recognition module is used for collecting vehicle images, recognizing vehicle information and outputting the vehicle information, vehicle snapshot images and videos.

2. The ETC lane monitoring antenna of claim 1, further comprising a central control module;

the central control module is connected with the RSU module and the video license plate recognition module, and the central control module charges the data of the RSU module or the video license plate recognition module for the passing through of a rear-end platform center through a communication module.

3. The ETC lane monitoring antenna of claim 1, further comprising a power module;

and the power supply module is connected with the RSU module, the video license plate recognition module and the central control module and is used for providing working voltage required by the device.

4. The ETC lane monitoring antenna of claim 1, wherein the RSU module includes a microwave antenna, a microwave signal transmitting/receiving unit, and a microwave signal processing unit;

the microwave antenna is connected with the microwave signal transmitting/receiving unit, and the microwave signal transmitting/receiving unit is connected with the microwave signal processing unit.

5. The ETC lane monitoring antenna of claim 1, wherein the video license plate recognition module includes an image capture front end unit, an image processing unit, and an image recognition unit;

the image acquisition front-end unit is connected with the image processing unit, and the image processing unit is connected with the image identification unit.

6. The ETC lane monitoring antenna of claim 5, wherein the video license plate recognition module is a video recognition smart camera with a high definition lens and a high definition image sensor.

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