CN217303918U

CN217303918U - Sight distance monitoring and early warning device for tunnel safety

Info

Publication number: CN217303918U
Application number: CN202220521266.0U
Authority: CN
Inventors: 董文会
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-26
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to the technical field of tunnel safety equipment, and discloses a sight distance monitoring and early warning device for tunnel safety, which comprises a recognition camera and a recognition board, wherein the recognition camera and the recognition board are horizontally arranged in a straight line, the recognition board is provided with a plurality of parts which are respectively arranged along the irradiation direction of the recognition camera, an image identification area is arranged on the recognition board close to the front end, and the image identification areas on the recognition boards are mutually staggered and are all positioned in the shooting visual field of the recognition camera; the intelligent early warning system is characterized by further comprising a controller, wherein the controller comprises a single chip microcomputer, a power supply module, an image recognition module and a communication module, the controller is in electric control connection with the early warning module, and the recognition camera is in electric signal connection with the image recognition module. Through a plurality of identification cards, every identification card keeps the distance with the recognition camera, relies on whether the recognition camera is to the identification card or definition to judge the stadia distance, and the whole device is linear distribution, and occupation space is little, installation convenient to use, and with low costs.

Description

Sight distance monitoring and early warning device for tunnel safety

Technical Field

The utility model relates to a tunnel safety equipment technical field specifically is a sight distance monitoring and early warning device for tunnel safety.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The cross section area of the cavern is larger than 2 square meters, and the cavern is built under the ground in a certain application by any method according to the specified shape and size.

The tunnel is located in an underground space, so visibility in the tunnel is very critical, the tunnel is basically visually illuminated by an illuminating lamp at present, but due to the fact that external factors have more influences, the visible distance in the tunnel is often uncertain, the influence on running vehicles is very large, and the tunnel has great potential safety hazards. At present, a part of tunnels are provided with a sight distance detection system, but the systems generally have the defects of complex installation and use and higher cost.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a sight distance monitoring and early warning device for tunnel safety possesses convenient to use, and with low costs and longe-lived advantage has solved the complicated problem with high costs of use that current tunnel sight distance detected.

(II) technical scheme

For realize above-mentioned convenient and low-cost stadia in the tunnel detects as the purpose, the utility model provides a following technical scheme:

a sight distance monitoring and early warning device for tunnel safety comprises a plurality of recognition cameras and recognition boards, wherein the recognition cameras and the recognition boards are arranged in a horizontal straight line, the recognition boards are arranged along the irradiation direction of the recognition cameras respectively, image identification areas are arranged at positions, close to the front ends, on the recognition boards, the image identification areas on the recognition boards are staggered with each other and are all located in the shooting visual field of the recognition cameras;

the intelligent early warning system is characterized by further comprising a controller, wherein the controller comprises a single chip microcomputer, a power supply module, an image recognition module and a communication module, the controller is in electric control connection with the early warning module, and the recognition camera is in electric signal connection with the image recognition module.

Preferably, the recognition camera is mounted on the back plate, and the back plate is fixedly mounted with the mounting seat and used for mounting the recognition camera.

Preferably, the identification plate is arranged on the supporting rod, and the supporting rod is connected with the fixing seat in an integrated manner and used for unified installation of the identification plate and convenient identification and monitoring.

Preferably, the length of the supporting rod at the corresponding position fixed with the identification plate is increased along with the increase of the distance between the identification plate and the identification camera, so that the front part and the rear part of the identification plate are not shielded, and the identification effectiveness is guaranteed.

Preferably, the parallel side positions of the image identification areas on the identification plate are preset with color identification areas at the same time for providing additional identification modes and optimizing identification.

Preferably, the early warning module includes display screen and warning light, installs in tunnel entry position, and the interval distance sets up in the tunnel simultaneously for carry out information notification to the vehicle driver that traveles, make its control speed in advance and keep the car apart from, reduce the occurence of failure.

(III) advantageous effects

Compared with the prior art, the utility model provides a sight distance monitoring and early warning device for tunnel safety possesses following beneficial effect:

1. this sight distance monitoring early warning device is used in tunnel safety through a plurality of identification cards, and every identification card keeps the distance with the discernment camera, relies on the discernment camera to judge the sight distance whether or not the discernment of identification card or definition, and the whole device is linear distribution, and occupation space is little, installation convenient to use, and with low costs.

2. This stadia monitoring and early warning device for tunnel safety not only is applicable to the stadia monitoring and early warning in newly-built tunnel, can install existing tunnel simultaneously, does not destroy existing tunnel inside overall arrangement or structure, does not influence normal use, and installation time is short.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a perspective view of the signboard of the present invention;

fig. 4 is a block diagram of the system module of the present invention.

In the figure: 1. identifying a camera; 11. a mounting base; 12. a back plate; 2. a recognition board; 21. a fixed seat; 22. a support bar; 23. an image identification area; 24. a color identification area; 3. a controller; 31. a single chip microcomputer; 32. a display screen; 33. a power supply module; 34. a warning light; 35. an image recognition module; 36. and a communication module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 according to specific situations by those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-4, a sight distance monitoring and early warning device for tunnel safety comprises a recognition camera 1, a recognition board 2 and a controller 3;

the identification camera 1 is arranged on a back plate 12, the back plate 12 is fixedly arranged on an installation seat 11 through bolts, the identification plate 2 is arranged on a support rod 22 through screws, and the support rod 22 is integrally connected with a fixed seat 21;

the image identification areas 23 are arranged at the positions, close to the front ends, of the identification cards 2, a plurality of identification cards 2 are arranged and are respectively arranged along the irradiation direction of the identification camera 1 in a horizontal straight line, the length of the support rod 22 at the position corresponding to the position where the identification cards 2 are fixed increases along with the increase of the distance between the identification cards 2 and the identification camera 1, and the image identification areas 23 on the identification cards 2 are staggered with each other and are all positioned in the shooting visual field of the identification camera 1;

controller 3 includes singlechip 31, power module 33, image recognition module 35 and communication module 36, and controller 3 is connected with display screen 32 and warning light 34 looks electrical control simultaneously, discernment camera 1 and image recognition module 35 signal of telecommunication, and in this embodiment, display screen 32 and warning light 34 are installed in tunnel entry position, and the while is at the tunnel in the interval distance setting.

Before installation, the proper position is selected for installation according to the existing devices or tunnel types in the tunnel, the normal traffic of vehicles or pedestrians is not affected, and the normal use of other devices and devices is not affected, the installation of the identification cards 2 is carried out according to the range of the required monitoring distance during installation, the identification patterns or colors are prefabricated on the identification cards 2 and are sequentially arranged according to the information rule of the patterns or colors, the images of the identification cards 2 in the visual field are shot by the identification camera 1 during monitoring, the images or colors on each identification card 2 are identified by the image identification module 35, whether the identification or definition can reach the standard is judged according to the identification result, when the identification or definition cannot be judged, the next identification card is read until two continuous identification cards 2 which cannot be identified or have the definition which does not reach the standard and can be identified or have the definition which reaches the definition can be judged to reach the standard are continuously read, according to the read information, the farthest clear point of the sight distance can be judged to be positioned between the two signboard pieces, and the position distance can be known according to the information contained in the pattern or the color on the next signboard piece 2, so that the information can be informed through the display screen 32, or the tunnel monitoring management part can be uploaded by the communication module 36, and the monitoring management of the tunnel monitoring management part is facilitated.

Example two:

on the basis of the first embodiment, the following technical features are added in the embodiment:

the parallel side position of the image identification area 23 on the identification plate 2 is preset with a color identification area 24 at the same time for representing the relevant information by the preset color identification, in this embodiment, the identification image at the position of the image identification area 23 does not adopt the number or character containing the distance information between the identification plate 2 and the identification camera 1, but adopts a fixed and uniform color image, and at this time, the distance information between the identification plate 1 and the identification camera 1 is represented by the preset color identification and the preset representation information.

The first embodiment has the advantages that the recognition images are unified, which is beneficial for the correct recognition of the recognition camera 1, and when the recognition image is partially shielded or damaged, the reliable recognition accuracy can still be provided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe stadia monitoring and early warning device that uses in tunnel, includes identification camera (1) and signboard (2), its characterized in that: the identification camera (1) and the identification board (2) are arranged in a horizontal straight line, a plurality of identification boards (2) are arranged and are respectively arranged along the irradiation direction of the identification camera (1), an image identification area (23) is arranged at the position, close to the front end, on each identification board (2), the image identification areas (23) on the plurality of identification boards (2) are staggered with each other and are all positioned in the shooting visual field of the identification camera (1);

the intelligent early warning device is characterized by further comprising a controller (3), wherein the controller (3) comprises a single chip microcomputer (31), a power supply module (33), an image recognition module (35) and a communication module (36), the controller (3) is electrically connected with the early warning module simultaneously, and the recognition camera (1) is in electrical signal connection with the image recognition module (35).

2. The sight distance monitoring and early warning device for tunnel safety according to claim 1, characterized in that: the recognition camera (1) is installed on the back plate (12), and the back plate (12) is fixedly installed with the installation seat (11).

3. The sight distance monitoring and early warning device for tunnel safety according to claim 1, characterized in that: the identification plate (2) is arranged on the support rod (22), and the support rod (22) is connected with the fixed seat (21) in an integrated forming mode.

4. The sight distance monitoring and early warning device for tunnel safety according to claim 2, characterized in that: the length of the supporting rod (22) fixed with the identification card (2) at the corresponding position increases along with the distance between the identification card (2) and the identification camera (1).

5. The sight distance monitoring and early warning device for tunnel safety according to any one of claims 1 to 4, wherein: the parallel side edge positions of the image identification areas (23) on the identification cards (2) are preset with color identification areas (24).

6. The sight distance monitoring and early warning device for tunnel safety according to claim 1, characterized in that: the early warning module comprises a display screen (32) and a warning lamp (34).