Monitoring device for preventing ship lockage superelevation

Abstract

The utility model relates to a monitoring device for preventing ship lockage superelevation, which comprises a vertical rod, an alarm device, a laser detector group, a camera and a control module, and is characterized in that the vertical rod stands on a ship stopping pier at the upstream of a ship lock building where a ship with the height to be monitored is about to pass and is perpendicular to the horizontal plane; the laser detector group is fixedly mounted at a corresponding position, which is flush with the manually preset jacking height of the traffic bridge, on the upright rod from bottom to top; the camera is arranged on the uppermost portion of the vertical rod, and the video collection direction faces the ship with the height to be monitored. According to the utility model, the risk that the laser detector is not parallel to the water surface is avoided, the accuracy of a monitoring result is improved, and meanwhile, the passing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of ship monitoring technology, specifically to a monitoring device for preventing ships from exceeding their lock height limits. Background Technology

[0002] With the development of my country's water conservancy, large-scale water conservancy projects often include lock structures to ensure navigation. Traffic bridges are also built on top of these lock structures to facilitate passage. However, this has led to problems such as collisions or scrapes between oversized vessels and these traffic bridges. Previously, for fixed traffic bridges, oversized vessel monitoring used fixed laser beam systems installed on both sides of the waterway, with the laser sensors at the same height as the bottom of the fixed bridge. Current solutions for movable traffic bridges are not mature enough. One approach is to add a lifting device to the laser beam system within the lock chamber waterway.

[0003] The shortcomings of existing technology are:

[0004] 1. Because existing lifting devices cause the laser rangefinder sensor to tilt during the lifting process, there is a risk that the monitoring surface may not be level, which in turn leads to inaccurate results.

[0005] 2. Because the lifting and lowering process of the existing lifting device takes time, and the gates of some lock structures are too close to the channel entrance and exit, the high-altitude warning is issued after the ship has entered the lock channel, which affects the passage efficiency. Summary of the Invention

[0006] This utility model addresses the aforementioned problems by providing a monitoring device to prevent ships from exceeding their height limits when passing through locks. Its purpose is to avoid the risk of laser detectors not being parallel to the water surface, improve the accuracy of monitoring results, and increase passage efficiency.

[0007] To solve the above problems, the technical solution provided by this utility model is as follows:

[0008] A monitoring device for preventing ships from exceeding their height limits when passing through locks includes an upright pole, an alarm device, a laser detector assembly, a camera, and a control module. The upright pole is erected on the upstream pier of the lock structure through which the ship of the height to be monitored will pass, and is perpendicular to the horizontal plane. The laser detector assembly is fixedly installed on the upright pole from bottom to top at a position corresponding to the lifting height of a pre-set traffic bridge. The camera is positioned at the top of the upright pole, with the video acquisition direction facing the ship of the height to be monitored.

[0009] Preferably, the laser detector group is a laser detector with horizontal calibration, and the direction of the emitted laser is parallel to the horizontal plane.

[0010] Preferably, the laser detector group includes a first laser detector, a second laser detector, a third laser detector, a fourth laser detector, a fifth laser detector, a sixth laser detector, and a seventh laser detector.

[0011] Preferably, the lifting height of the traffic bridge is in the range of 2.5m-4.1m.

[0012] Preferably, the first laser detector is positioned at a height of 2.5m, level with the jacking height of the traffic bridge; the second laser detector is positioned at a height of 3.5m, level with the jacking height of the traffic bridge; the third laser detector is positioned at a height of 3.7m, level with the jacking height of the traffic bridge; the fourth laser detector is positioned at a height of 3.8m, level with the jacking height of the traffic bridge; the fifth laser detector is positioned at a height of 3.9m, level with the jacking height of the traffic bridge; the sixth laser detector is positioned at a height of 4.0m, level with the jacking height of the traffic bridge; and the seventh laser detector is positioned at a height of 4.1m, level with the jacking height of the traffic bridge.

[0013] Preferably, the upright pole is fixed to the utility pole on the mooring pier and is parallel and close to the utility pole.

[0014] Preferably, the control module is located on the side of the utility pole on the mooring pier away from the upright pole.

[0015] Preferably, the control module is electrically coupled to the laser detector group; the control module is electrically coupled to the camera; and the control module is electrically coupled to the alarm device.

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] 1. Because the fixed laser detector assembly of this utility model is more stable than the laser detector with the sliding module, it avoids the risk of the laser detector not being parallel to the water surface and improves the accuracy of the monitoring results.

[0018] 2. Compared with laser detectors with sliding modules, the fixed laser detector assembly of this utility model saves the lifting and lowering time of the sliding module, thereby improving traffic efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the system connection structure of a monitoring device for preventing ships from exceeding the lock height limit, which is a specific embodiment of this utility model.

[0020] The components include: 1. Upright pole; 2. Alarm device; a. Laser detector group; 3. Camera; 4. Control module; a1. First laser detector; a2. Second laser detector; a3. Third laser detector; a4. Fourth laser detector; a5. Fifth laser detector; a6. Sixth laser detector; a7. Seventh laser detector. Detailed Implementation

[0021] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. After reading the present invention, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0022] like Figure 1 As shown, the monitoring device for preventing ships from exceeding the height limit when passing through the lock includes an upright pole 1, an alarm device 2, a laser detector group a, a camera 3, and a control module 4. The upright pole 1 is erected on the upstream docking pier of the lock structure through which the ship of the height to be monitored will pass, and is perpendicular to the horizontal plane. The laser detector group a is fixedly installed on the upright pole 1 from bottom to top at a position corresponding to the lifting height of the manually preset traffic bridge. The camera 3 is set at the top of the upright pole 1, and the video acquisition direction is towards the ship of the height to be monitored.

[0023] It should be noted that laser detector group a is a laser detector with horizontal calibration, and the direction of the emitted laser is parallel to the horizontal plane.

[0024] It should be further noted that laser detector group a can provide horizontal information, which facilitates timely calibration when deviations occur later.

[0025] It should be further explained that the laser detector group a includes the first laser detector a1, the second laser detector a2, the third laser detector a3, the fourth laser detector a4, the fifth laser detector a5, the sixth laser detector a6, and the seventh laser detector a7.

[0026] It should be further noted that the cost of a single laser detector is now significantly lower than it was a few years ago. Therefore, the use of multiple laser detectors is being considered for monitoring the height of vessels exceeding the permitted limits on movable traffic bridges. Furthermore, fixed laser detectors are more stable than those with sliding modules, preventing situations where the laser detector is not parallel to the water surface.

[0027] In this specific embodiment, the lifting height of the traffic bridge ranges from 2.5m to 4.1m; this range is the commonly used lifting height range for traffic bridges by ship management units.

[0028] In this specific embodiment, the first laser detector a1 is positioned at a height of 2.5m, level with the jacking height of the traffic bridge; the second laser detector a2 is positioned at a height of 3.5m, level with the jacking height of the traffic bridge; the third laser detector a3 is positioned at a height of 3.7m, level with the jacking height of the traffic bridge; the fourth laser detector is positioned at a height of 3.8m, level with the jacking height of the traffic bridge; the fifth laser detector a5 is positioned at a height of 3.9m, level with the jacking height of the traffic bridge; the sixth laser detector a6 is positioned at a height of 4.0m, level with the jacking height of the traffic bridge; and the seventh laser detector a7 is positioned at a height of 4.1m, level with the jacking height of the traffic bridge.

[0029] It should be noted that, based on the principle of communicating vessels, in lock operation, the water volume of the vast upstream water area is almost infinite compared to the relatively small volume of the lock. Opening the upstream valve makes the water level inside the lock equal to the upstream water level, and the impact of the lock operation on the upstream water level is almost negligible. Therefore, by setting up laser detection equipment group a on the upstream pier, consistent with the commonly used lifting height range of the traffic bridge, it is possible to predict in advance whether there is a risk of ships exceeding the required lifting height or the maximum lifting height of the traffic bridge.

[0030] It should be further explained that, since ships report data to the maritime authorities, but there is an error between the data and the real-time height of the ship passing through the lock, the elevation range of the ship is determined by laser detector group a.

[0031] It should be further explained that the laser detector group a is kept parallel to the water surface by the control platform, and at the same time, the laser detector group a is monitored for obstructions in front of it by mechanical rotation.

[0032] It should be noted that the upright pole 1 is fixed to the utility pole on the mooring pier and is parallel and close to the utility pole to enhance stability.

[0033] It should be noted that the control module 4 is located on the side of the utility pole on the mooring pier away from the upright pole 1.

[0034] It should be further explained that control module 4 is electrically coupled to laser detector group a; control module 4 is electrically coupled to camera 3; and control module 4 is electrically coupled to alarm device 2.

[0035] It should be noted that the monitoring device for preventing ships from exceeding their lock height according to this utility model includes the following control steps:

[0036] S1. Camera 3 detected that the ship had docked at the mooring pier.

[0037] S2. Control module 4 allows the lock management unit to remotely activate the 7 laser monitoring instruments in laser detector group a based on the reported data, or selectively activate some laser detectors based on the reported data.

[0038] S3. The operating laser detector monitors for obstructions in front, and then performs the following operations based on the detection results:

[0039] If no obstruction is detected ahead, the corresponding laser detector will return an "no obstruction" message.

[0040] If an obstruction is detected ahead, the corresponding laser detector will return an obstruction information.

[0041] S4. Based on the information returned in step S3, determine the range of the highest point of the ship.

[0042] S5. The ship management unit selects a laser detector height that returns an "unobstructed" signal, or a slightly higher height, to jack up the traffic bridge, thereby ensuring safety; the specific judgment rules are as follows:

[0043] If the highest point of the vessel is below 2.5m, the traffic bridge will be lifted to a height of 2.5m.

[0044] If the highest point of the vessel is in the range of [2.5m, 3.5m), then the traffic bridge will be lifted to a height of 3.5m.

[0045] If the highest point of the vessel is in the range of [3.5m, 3.7m), then the traffic bridge will be lifted to a height of 3.7m.

[0046] If the highest point of the vessel is in the range of [3.7m, 3.8m), then the traffic bridge will be lifted to a height of 3.8m.

[0047] If the highest point of the vessel is in the range of [3.8m, 3.9m), then the traffic bridge will be lifted to a height of 3.9m.

[0048] If the highest point of the vessel is in the range of [3.9m, 4.0m), then the traffic bridge will be lifted to a height of 4.0m.

[0049] If the highest point of the vessel is in the range of [4.0m, 4.1m), then the traffic bridge will be lifted to a height of 4.1m.

[0050] If the highest point of the vessel exceeds 4.1m, alarm device 2 will alert the vessel management unit to prohibit the vessel from entering the lock.

[0051] In the above detailed description, various features are combined together in a single embodiment to simplify this disclosure. This approach to disclosure should not be construed as reflecting an intention that embodiments of the claimed subject matter require more features than are explicitly stated in each claim. Rather, as reflected in the appended claims, the invention is presented with fewer features than all of the features of the single disclosed embodiment. Therefore, the appended claims are hereby explicitly incorporated into the detailed description, wherein each claim stands alone as a preferred embodiment of the invention.

[0052] The disclosed embodiments have been described above to enable any person skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit and scope of this disclosure. Therefore, this disclosure is not limited to the embodiments given herein, but is consistent with the broadest scope of the principles and novel features disclosed in this application.

[0053] The foregoing description includes examples of one or more embodiments. It is certainly impossible to describe all possible combinations of components or methods in order to describe the above embodiments, but those skilled in the art will recognize that further combinations and arrangements of the various embodiments are possible. Therefore, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the scope of the appended claims. Furthermore, the term "comprising" as used in the specification or claims is interpreted in a manner similar to the term "including," as interpreted when used as a conjunction in the claims. Additionally, the use of any term "or" in the specification of the claims is intended to mean "non-exclusive or."

[0054] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A monitoring device for preventing ships from exceeding their lock height, characterized in that: The system includes an upright pole (1), an alarm device (2), a laser detector group (a), a camera (3), and a control module (4), wherein: the upright pole (1) is erected on the upstream dock of the lock structure through which the ship at the height to be monitored will pass, and is perpendicular to the horizontal plane; the laser detector group (a) is fixedly installed from bottom to top on the upright pole (1) at a position corresponding to the lifting height of the manually preset traffic bridge; the camera (3) is set at the top of the upright pole (1), and the video acquisition direction is towards the ship at the height to be monitored.

2. The monitoring device for preventing excessive height of ships passing through locks according to claim 1, characterized in that: The laser detector group (a) is a laser detector with horizontal calibration, and the direction of the emitted laser is parallel to the horizontal plane.

3. The monitoring device for preventing excessive height of ships passing through locks according to claim 2, characterized in that: The laser detector group (a) includes a first laser detector (a1), a second laser detector (a2), a third laser detector (a3), a fourth laser detector (a4), a fifth laser detector (a5), a sixth laser detector (a6), and a seventh laser detector (a7).

4. The monitoring device for preventing excessive height of ships passing through locks according to claim 3, characterized in that: The lifting height of the traffic bridge ranges from 2.5m to 4.1m.

5. The monitoring device for preventing excessive height of ships passing through locks according to claim 4, characterized in that: The first laser detector (a1) is positioned at a height of 2.5m, level with the jacking height of the traffic bridge; the second laser detector (a2) is positioned at a height of 3.5m, level with the jacking height of the traffic bridge; the third laser detector (a3) ​​is positioned at a height of 3.7m, level with the jacking height of the traffic bridge; the fourth laser detector is positioned at a height of 3.8m, level with the jacking height of the traffic bridge; the fifth laser detector (a5) is positioned at a height of 3.9m, level with the jacking height of the traffic bridge; the sixth laser detector (a6) is positioned at a height of 4.0m, level with the jacking height of the traffic bridge; and the seventh laser detector (a7) is positioned at a height of 4.1m, level with the jacking height of the traffic bridge.

6. The monitoring device for preventing excessive height of ships passing through locks according to claim 5, characterized in that: The upright pole (1) is fixed to the utility pole on the mooring pier and is parallel and close to the utility pole.

7. The monitoring device for preventing excessive height of ships passing through locks according to claim 6, characterized in that: The control module (4) is located on the side of the utility pole on the mooring pier away from the upright pole (1).

8. The monitoring device for preventing excessive height of ships passing through locks according to claim 7, characterized in that: The control module (4) is electrically coupled to the laser detector group (a); the control module (4) is electrically coupled to the camera (3); the control module (4) is electrically coupled to the alarm device (2).

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