Active anti-collision early warning system for bridge

The bridge active collision avoidance and early warning system, which integrates multiple modules such as radar, laser, and cameras, along with an AIS module and VHF radio, solves the problem that traditional ship self-control methods cannot meet the collision avoidance requirements of busy waterways. It enables real-time monitoring and early warning of ships, thereby improving bridge navigation safety.

CN223665081UActive Publication Date: 2025-12-12ZHEJIANG COSINE DESIGN CONSULTING CO LTD
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Patent Information

Application Number
CN202423067727.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-12
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Traditional methods of avoiding collisions with bridges through ship self-control are no longer sufficient to meet the collision avoidance needs of increasingly busy waterways, necessitating improvements in bridges' active collision avoidance and early warning capabilities.

Method used

It employs a multi-module linkage approach, including radar, laser, and cameras, combined with an AIS module and VHF radio, to monitor ship routes in real time and provide proactive warnings for oversized, overwidth, overheight, or deviating vessels from their course or posing a collision risk.

Benefits of technology

It enables real-time monitoring and early warning of vessels, improves navigation safety across the bridge, and ensures the safe passage of bridge facilities and vessels.

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Abstract

The utility model relates to an active anti-collision early warning system for a bridge, which solves the problem that the anti-collision requirement of an increasingly busy channel cannot be met by a traditional mode of mainly avoiding collision with the bridge through self control of a ship. Piers are arranged at the two ends of a navigation hole of a bridge of the system respectively, a beam plate is arranged between the two piers in a spanning mode, and monitoring radars, pan-tilt cameras and horizontal laser range finders are arranged at the two ends of the bottom face of the beam plate. A plurality of collision sensor nodes are arranged on the peripheries of bridge piers at the two ends of a bridge navigation hole respectively, audible and visual alarms are arranged at the inner ends, close to the bridge navigation hole, of the bridge piers at the two ends of the bridge navigation hole, and the anti-collision control unit, the information processor, the switch, the AIS receiver and the very high frequency radio station are arranged on the bridge piers at the two ends respectively. According to the utility model, the ship route is monitored in real time, and the bridge carries out active early warning on ships which are oversized, overwide, ultrahigh, deviated from the ship route or have collision risks.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge channel field, especially relate to a bridge initiative anti -collision early warning system. BACKGROUND

[0002] The research and application of the bridge initiative anti -collision early warning system is an important topic in the wisdom channel construction. With the progress of science and technology, the traditional collision avoidance with the bridge by the ship has been unable to meet the increasing busy channel anti -collision demand, how to through the bridge construction process digital wisdom construction, enhance the early warning ability of the bridge initiative anti -collision, and the interaction of the ship system, can further improve the navigation safety, ensure the navigation safety of the bridge facilities and the ship. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the problem that the traditional collision avoidance with the bridge by the ship itself control mainly cannot meet the increasing busy channel anti -collision demand, provides a bridge initiative anti -collision early warning system, utilizes the multi -module linkage mode such as radar, laser, camera, and through AIS module and very high frequency radio station, identifies the type of navigation ship, real -time monitoring ship course, and actively warns the ship of super -large, super -wide, super -high, deviation course or collision risk.

[0004] The utility model solves its technical problem adopts the technical scheme: a bridge initiative anti -collision early warning system is set up in the both ends of bridge navigation hole, and the bridge navigation hole both ends are provided with pier, and the beam is crossed between two piers, and the bottom surface both ends of the beam are provided with monitoring radar, pan-tilt camera and horizontal laser range finder, the pier of the bridge navigation hole both ends is provided with a plurality of collision sensor nodes respectively around, and the inner end of the bridge navigation hole of the pier of the bridge navigation hole both ends is provided with audible -visual alarm, and the pier is further provided with anti -collision control unit, information processor, switch, AIS receiver and very high frequency radio station, and anti -collision control unit, information processor, switch, AIS receiver and very high frequency radio station are provided with one and are separately arranged on the pier of both ends.

[0005] In the device, the monitoring radar is used for monitoring the signals of ships at different distances, to ensure that the ship sailing track is on the channel, and if there is a channel deviation phenomenon, a deviation early warning is sent out. The horizontal laser ranging provides the ship direction information and distance information according to the monitoring radar, and the horizontal laser ranging is horizontally scanned according to the ship direction, if the distance signal is detected and is consistent with the distance information provided by the radar, it is determined that the ship has an overheight risk, and an overheight early warning is sent out. The pan-tilt camera is used for recording the real-time images of ships within a distance of 3 kilometers, and the pan-tilt camera checks the ship information through the images, and if there is an overlarge or overwide problem, an overlimit early warning is sent out. The information processor and the switch store the ship sailing information locally, and the early warning information is communicated with the ship through the AIS receiver and the very high frequency radio station. The collision sensor node detects the collision signal, if a collision occurs, the sound and light alarm sends out an alarm, and the information processor stores various signals and image information before and after the collision in time, to facilitate process restoration and accident cause analysis. The anti-collision control unit controls the operation of the above modules and the conversion of signals.

[0006] As preferred, for a single pier, the pier is provided with a collision sensor node and a sound and light alarm on the side of the channel coming and going.

[0007] As preferred, the bottom surface of the beam plate is also provided with a high-speed ball machine at both ends. The high-speed ball machine can record high-definition real-time information within 1 kilometer.

[0008] As preferred, the sound and light alarm sends out low-frequency yellow light when no collision signal is received, and sends out high-frequency red light and an alarm sound when the collision signal is received.

[0009] As preferred, the horizontal laser ranging instrument is horizontally arranged and arranged on the bottom surface of the bridge through a shockproof pan-tilt.

[0010] As preferred, the horizontal laser ranging instrument has red and green dual-color lasers, and the horizontal laser ranging instrument is green when no ranging signal is detected, and the horizontal laser ranging instrument is red when the ranging signal is detected. When the horizontal laser ranging instrument detects the distance signal, there is a risk of overheight of the ship, the laser is replaced with red light, and the navigation ship is directly warned, which is complementary to the AIS early warning to ensure safety.

[0011] As preferred, the pier is further sleeved with an anti-collision block, and the anti-collision block floats on the water surface.

[0012] The utility model discloses a multi-module linkage mode of radar, laser, camera and the like, and through AIS module and very high frequency radio station, the type of navigation ship is identified, the ship route is monitored in real time, and the ship with overlarge, overwide, overheight, deviating from the route or having a collision risk is actively warned. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model makes further illustration in combination with the drawings.

[0014] Figure 1 It is a prewarning system facade structure schematic view of the utility model.

[0015] Figure 2 It is a prewarning system plane arrangement schematic view of the utility model.

[0016] In the drawing: 1, switch, 2, collision sensor node, 3, information processor, 4, audible and visual alarm, 5, monitoring radar, 6, high-speed ball machine, 7, pan-tilt camera, 8, horizontal laser range finder, 9, AIS receiver, 10, very high frequency radio station, 11, anti-collision control unit, 12, bridge pier, 13, anti-collision block, 14, beam plate, 15, bridge navigation hole. DETAILED DESCRIPTION

[0017] The utility model is further illustrated below by specific embodiment and in combination with the drawings.

[0018] Embodiment: a bridge active anti-collision prewarning system, as shown in Figure 1 , 2 . The system is arranged at the two ends of bridge navigation hole 15, and bridge navigation hole 15 is provided with bridge pier 12 at the two ends, and anti-collision block 13 is further sleeved on bridge pier 12, and the anti-collision block floats on the water surface. Beam plate 13 is arranged between the two bridge piers, and bridge navigation hole 15 is formed between the beam plate, n bridge piers and n+1 bridge piers.

[0019] As shown in Figure 1 , 2 , the bottom surface of beam plate 13 is sequentially provided with monitoring radar 5, high-speed ball machine 6, pan-tilt camera 7 and horizontal laser range finder 8 from outside to inside at the two ends. Horizontal laser range finder 8 is horizontally arranged and is arranged on the bridge bottom surface through a shockproof pan-tilt. Horizontal laser range finder 8 has red light and green light double-color laser, and the horizontal laser range finder is green light when there is no ranging signal, and the horizontal laser range finder is red light when there is ranging signal. Bridge piers 12 at the two ends of bridge navigation hole 15 are respectively provided with a plurality of collision sensor nodes 2, and the inner end of the bridge piers at the two ends of the bridge navigation hole is provided with audible and visual alarm 4, and the bridge piers are further provided with anti-collision control unit 11, information processor 3, switch 1, AIS receiver 9 and very high frequency radio station 10, and anti-collision control unit 11, information processor 3, switch 1, AIS receiver 9 and very high frequency radio station 10 are arranged on the two bridge piers 12.

[0020] As shown in Figure 2As shown, for a single pier 12, the pier is provided with a collision sensor node 2 and a sound-light alarm 4 on both sides of the approach and departure of the channel. The sound-light alarm 4 emits low-frequency yellow light when it does not receive a collision signal, and emits high-frequency red light and emits an alarm sound when it receives a collision signal.

[0021] The monitoring radar is used to monitor the signals of ships at different distances to ensure that the ship's sailing track is on the channel. If there is a channel deviation phenomenon, a deviation warning is issued. The horizontal laser ranging is based on the ship direction information and distance information provided by the monitoring radar, and the ship direction is horizontally scanned. If a distance signal is detected and consistent with the distance information provided by the radar, it is determined that the ship has an over-height risk, and an over-height warning is issued. The pan-tilt camera is used to record the real-time image of the ship within a distance of 3 kilometers. The pan-tilt camera checks the ship information through the image. If there is an overlarge or overwide problem, an over-limit warning is issued. The information processor and the switch store the ship navigation information locally. The warning information is communicated with the ship through the AIS receiver and the very high frequency radio station. The collision sensor node detects the collision signal. If a collision occurs, the sound-light alarm issues an alarm, and the information processor stores the various signals and image information before and after the collision in a timely manner to facilitate process restoration and accident analysis. The anti-collision control unit controls the operation of each module and the conversion of signals.

Claims

1. A bridge active anti-collision early warning system, arranged at both ends of a bridge navigation hole, bridge piers are arranged at both ends of the bridge navigation hole, and a beam slab is arranged between the two bridge piers, characterized in that: The beam plate bottom surface is provided with monitoring radar, pan-tilt camera and horizontal laser range finder at both ends; a plurality of collision sensor nodes are arranged around the piers at both ends of the bridge navigation hole, and the piers at both ends of the bridge navigation hole are provided with sound and light alarm near the inner end of the bridge navigation hole; the piers are further provided with anti-collision control unit, information processor, switch, AIS receiver and VHF radio, and the anti-collision control unit, information processor, switch, AIS receiver and VHF radio are arranged on the piers at both ends respectively; the horizontal laser range finder is horizontally arranged and is arranged on the bridge bottom surface through a shockproof holder.

2. The active anti-collision warning system for bridges of claim 1, wherein: For a single pier, the pier is provided with collision sensor nodes and sound and light alarm on the approach side and the departure side along the channel.

3. The active anti-collision warning system for bridges of claim 1, wherein: The beam plate bottom surface is further provided with high-speed ball machine at both ends.

4. The active anti-collision warning system for bridges of claim 1, wherein: The sound and light alarm emits low-frequency yellow light when no collision signal is received, and emits high-frequency red light and alarm sound when the sound and light alarm receives collision signal.

5. The active anti-collision warning system for bridges of claim 1, wherein: The horizontal laser range finder has red and green light dual-color laser, and the horizontal laser range finder emits green light when there is no ranging signal, and emits red light when there is ranging signal.

6. The active anti-collision warning system for bridges of claim 1, wherein: The piers are further provided with anti-collision blocks, and the anti-collision blocks float on the water surface.