Waterproof and fog-proof marine environment monitoring camera system

Abstract

The invention relates to a waterproof and fog-proof marine environment monitoring camera system, and belongs to the technical field of optical image marine monitoring. Comprising a camera body and a camera protective cover, the camera body is arranged in the camera protective cover, a waterproof rotary window is embedded in the front end of the camera protective cover, and the waterproof rotary window is used for removing water stains. By embedding the waterproof rotary window, a dynamic water stain removal function in marine environment monitoring is realized. Compared with a traditional fixed window, the rotary window can actively destroy a water film attachment condition, and in combination with centrifugal force generated by mechanical rotation, interference of seawater splashing and mist condensation on optical imaging is remarkably reduced, and the continuity of monitoring data is improved.

Description

Technical Field

[0001] The invention relates to a fog-proof marine environment monitoring camera system, belonging to the technical field of optical image marine monitoring. Background Art

[0002] Marine disasters are diverse, widespread, frequent, and destructive. A fog-proof marine environment monitoring camera system can capture the early signs and dynamic development of catastrophic weather events, such as typhoons, storm surges, ocean waves, and sea ice, in real time. This provides faster and more accurate information for marine disaster warning systems, enhancing marine disaster prevention and mitigation capabilities.

[0003] Continuous advancements in optical camera automatic monitoring and image recognition technologies are providing strong technical support for establishing marine environmental monitoring systems. Existing optical imaging marine environmental monitoring systems, when used in rain, snow, and fog, suffer from obstruction and interference from rain, snow, and fog droplets, which degrades the quality of collected optical images. This directly impacts the monitoring and identification of marine environmental elements, particularly in harsh sea conditions.

[0004] For example, Chinese patent publication number CN118803396A discloses an anti-wet de-icing and water mist removal device for observation cameras, comprising a wiping mechanism, including a mounting frame, a small motor adapted to be mounted on the top of the mounting frame, and a sleeve slidably connected to the output end of the small motor, the bottom end of the sleeve being fixedly connected to a limit plate, and the outer side of the sleeve being fixedly connected to a small main gear. The device can be adjusted to meet specific needs in high-humidity environments with different temperatures. The segmented ice scraping method can more effectively clean thin ice without the need for multiple scraping operations, reducing the number of times the device obscures the camera and ensuring the observation effect. The front and rear scrapers are integrated, so when scraping and cleaning water mist, the water mist can be scraped off in one go. With the effect of increasing speed, the time it stays on the camera surface is reduced, ensuring the camera's observation effect. However, water stains left by the scraper can blur the image and easily leave scratches on the camera. Summary of the Invention

[0005] The purpose of the present invention is to provide a fog-proof marine environment monitoring camera system to avoid the problem that "when the optical imaging marine environment monitoring system is used in rainy, snowy and foggy weather, the quality of the collected optical images will be reduced due to obstruction and interference by rain, snow and fog droplets, which directly affects the monitoring and identification of marine environmental elements, especially marine environment monitoring in severe sea conditions."

[0006] The present invention provides a fog-proof marine environment monitoring camera system, comprising a camera body and a camera protective cover. The camera body is arranged in the camera protective cover, and a waterproof rotating window is embedded in the front end of the camera protective cover. The waterproof rotating window is used to remove water marks.

[0007] The built-in waterproof rotating window enables dynamic water removal for marine environmental monitoring. Compared to traditional fixed windows, the rotating window actively destroys water film adhesion conditions. Combined with the centrifugal force generated by mechanical rotation, it significantly reduces interference with optical imaging caused by seawater splash and mist condensation, improving monitoring data continuity.

[0008] Preferably, the system further includes a central control subsystem, which is located in a location with guaranteed power supply. The camera body is located in a camera protective cover. The camera protective cover and the camera body are located near the shore, and the central control subsystem and the camera body are connected via a transmission cable. The central control subsystem includes:

[0009] Energy supply module: This module is responsible for providing the necessary power to the camera body and waterproof rotating window through the central control subsystem via transmission cables. This module avoids frequent battery replacement for offshore equipment, reduces maintenance costs, and ensures a long-term, sufficient power supply.

[0010] Data acquisition module: collects optical image data from the camera in real time, freeing the data storage capacity from the camera.

[0011] Network communication module: controls the real-time transmission of observation data and realizes real-time query of observation data;

[0012] Remote control module: used for remote operation and control of the camera body and waterproof rotating window;

[0013] Data management module: responsible for storing, processing and analyzing the collected data, and extracting marine environmental information such as wind speed, waves, currents and tide levels;

[0014] System monitoring module: monitors the operating status of the entire system to ensure stable operation of the system;

[0015] Visual management module: displays the collected data in a visual way to facilitate researchers' analysis and understanding.

[0016] The central control subsystem is responsible for energy supply, data acquisition, network communication, remote control, data management, system monitoring and visualization management.

[0017] Preferably, the camera body is a rectangular or cylindrical long-distance camera; the camera protective cover is a rectangular shape with rounded corners, and the camera body and the camera protective cover are fixed together on the camera base.

[0018] The combination design of a rectangular protective cover with rounded corners and a rectangular / cylindrical camera body optimizes space utilization and reduces the volume of the protective cover.

[0019] Preferably, the camera base is fixedly mounted on a nearshore fixed facility or on bedrock at an altitude of more than 10 m above sea level.

[0020] The camera base is installed on a nearshore fixed facility or bedrock at an altitude of more than 10m to avoid tidal erosion and wave impact and extend the service life of the equipment.

[0021] Preferably, an opening is provided at the bottom of the camera protective cover for placing the camera body; the diameter of the opening matches the bottom diameter of the camera body; a fixing device is provided at the opening for fixing the bottom of the camera protective cover to the camera base after the camera body is installed; a sealing rubber ring is also installed at the opening; a wiring hole is provided at the bottom of the camera protective cover, and a desiccant area is provided inside the camera protective cover.

[0022] The opening is doubly sealed with a fixing device and a sealing rubber ring, which provides a high level of protection; the desiccant area absorbs moisture in the protective cover, and combined with the glass glue sealing of the wiring holes, the internal relative humidity is controlled at a low level to inhibit corrosion of electronic components.

[0023] Preferably, the main body material of the camera protective cover is stainless steel, aluminum alloy or engineering plastic.

[0024] The camera protective cover made of stainless steel or aluminum alloy has good resistance to salt spray corrosion, and the engineering plastic is lightweight and meets the impact resistance requirements. The material is selected dynamically according to the salinity of the sea area to reduce manufacturing costs.

[0025] Preferably, the waterproof rotating window is a circular glass disk driven to rotate by a permanent magnet motor.

[0026] The brushless permanent magnet motor design reduces mechanical wear, has a long life expectancy and extends maintenance intervals.

[0027] Preferably, the waterproof rotating window is made of optical glass with high transparency.

[0028] High-transparency optical glass has high light transmittance and can capture clear optical images.

[0029] Preferably, the opening and the wiring hole are sealed with glass glue.

[0030] Glass glue seals the openings and wiring holes to create a double physical barrier, preventing seawater from penetrating along the cables and withstanding wind and wave spray.

[0031] Preferably, the waterproof rotating window pre-starts the permanent magnet motor to rotate through the central control subsystem before optical image acquisition, and also starts the permanent magnet motor to rotate when the central control subsystem detects blurred vision through a deep learning algorithm during the optical image acquisition process.

[0032] The pre-start permanent magnet motor clears condensed water from the window surface in advance to avoid blur in the initial imaging stage; the deep learning algorithm detects blurred areas in real time, dynamically starts and adjusts the rotation frequency to maintain clarity.

[0033] Compared with the existing technology, the beneficial effects of the fog-proof marine environment monitoring camera system of the present invention are as follows:

[0034] The present invention proposes a fog-proof marine environment monitoring camera system, which uses the centrifugal force generated by the rotation of the waterproof rotating window to throw water droplets off the surface of the camera protective cover, effectively removing water mist and maintaining a clear field of view; avoiding the problem that "when the optical imaging marine environment monitoring system is used in rainy, snowy and foggy weather, the quality of the collected optical images will be reduced due to obstruction and interference by rain, snow and fog droplets, which directly affects the monitoring and identification of marine environmental elements, especially marine environment monitoring in severe sea conditions." BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic structural diagram of a fog-proof marine environment monitoring camera system according to the present invention;

[0036] Figure 2 This is a structural diagram of a central control subsystem according to the present invention;

[0037] Figure 3 This is a structural diagram of a camera body, camera base, and camera protective cover assembly according to the present invention;

[0038] Figure 4 This is a schematic structural diagram of a camera protective cover according to the present invention;

[0039] Figure 5 The figure is a schematic structural diagram of a waterproof rotating window according to the present invention.

[0040] In the figure: 1. Central control subsystem; 2. Camera body; 3. Camera base; 4. Camera protective cover; 5. Transmission cable; 101. Energy supply module; 102. Network communication module; 103. Data acquisition module; 104. Computer; 401. Protective cover body; 402. Opening; 403. Fixing device; 404. Waterproof rotating window; 405. Permanent magnet motor; 406. Wiring hole; 407. Desiccant area; 501. Stator winding; 502. Rotor permanent magnet; 503. Auxiliary bearing; 504. Motor frame; 505. Motor controller. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0042] Example 1

[0043] like Figure 1-Figure 5 As shown, this embodiment discloses a fog-proof marine environment monitoring camera system, including a central control subsystem 1, a camera body 2, a camera base 3, a camera protective cover 4, and a transmission cable 5 between the central control subsystem 1 and the camera body 2 and the permanent magnet motor 405.

[0044] Central control subsystem 1: responsible for energy supply, data collection, network communication, remote control, data management, system monitoring and visualization management.

[0045] Camera body 2: Select a rectangular or cylindrical long-distance camera with high-definition optical image acquisition capabilities.

[0046] Camera base 3: used to fix the camera body 2 and the camera protective cover 4. It is usually installed on a near-shore fixed facility or on bedrock at an altitude of more than 10 meters to ensure system stability.

[0047] Camera hood 4: Designed as a rectangular shape with rounded corners, it protects the camera body 2 from harsh environments. It features a desiccant area 407 inside and a waterproof rotating window 404 built into the front to ensure the camera operates properly in inclement weather.

[0048] Transmission cable 5: connects the central control subsystem 1 with the camera body 2 and the permanent magnet motor 405 to achieve energy supply and data transmission.

[0049] The central control subsystem 1 includes:

[0050] Energy supply module 101: provides stable power to the camera body 2 and permanent magnet motor 405 through the transmission cable 5 to ensure normal operation of the system;

[0051] Data acquisition module 103: collects optical image data from the camera body 2 in real time to provide accurate information for marine environment monitoring;

[0052] Network communication module 102: controls the real-time transmission of observation data, and realizes remote monitoring and data sharing;

[0053] Remote control module: remotely operates and controls the camera body 2 and the permanent magnet motor 405, improving system flexibility;

[0054] Data management module: stores, processes and analyzes collected data, extracts marine environmental information, and provides support for decision-making;

[0055] System monitoring module: monitors the operating status of the entire system to ensure stable operation of the system;

[0056] Visual management module: displays the collected data in a visual way to facilitate researchers' analysis and understanding.

[0057] The central control subsystem 1 is installed in a shore station laboratory or a temporary test warehouse with power guarantee conditions; the building structure and elevation design of the shore station laboratory or temporary test warehouse meet the local typhoon and storm surge resistance capabilities; the laboratory or temporary test warehouse is located in an area with stable environment and no strong vibration and electromagnetic interference; the laboratory or temporary test warehouse needs to have a stable power supply, clean water source and appropriate temperature and humidity control to ensure the normal operation of the experimental equipment and the proper preservation of data.

[0058] The camera body 2 is a rectangular or cylindrical long-distance camera. Based on the geometry and size of the camera body 2, the camera cover 4 is designed to be rectangular with rounded corners. This protects the entire camera and ensures that the camera body 2 and camera cover 4 can be fixed to the camera base 3. The internal space of the camera cover 4 ensures that the camera can be smoothly inserted and has sufficient space for heat dissipation and wiring. This shape matches the elongated design of the camera. Rounded corners are used to reduce dust and snow accumulation.

[0059] An opening 402 is provided at the bottom of the camera protective cover 4 for placing the camera; the diameter of the opening 402 should match the bottom diameter of the camera to ensure that the camera can smoothly enter the protective cover; a fixing device 403 is provided at the bottom opening 402 for fixing the bottom of the protective cover to the camera base 3 after the camera is installed; a sealing rubber ring is installed at the bottom opening 402.

[0060] A circular waterproof rotating window 404 is embedded in the front end of the camera protective cover 4. The material is usually high-transparency optical glass to ensure that the imaging quality of the camera is not affected. The diameter of the window is designed according to the field of view of the camera lens to ensure that the lens can clearly capture the required image through the window. A sealing rubber ring is installed between the window and the protective cover body 401.

[0061] A wiring hole 406 is provided on the bottom base of the camera protective cover 4 for the entry and exit of the power line of the permanent magnet motor of the waterproof rotating window 404, the power line of the camera, the signal line, etc. The wiring hole 406 is designed with a waterproof sealing sleeve.

[0062] A special area (and desiccant area 407) is provided inside the camera protective cover 4 for placing desiccant to remove moisture in the protective cover and keep the interior dry.

[0063] The main body material of the camera protective cover 4 is usually selected from corrosion-resistant and weather-resistant metals or plastics, such as stainless steel, aluminum alloy or engineering plastics.

[0064] The waterproof rotating window 404 uses a rotating window to remove water marks. The rotating window is a fast-rotating round glass disk driven by a small permanent magnet motor 405. In order to provide a clearer field of view, the central rotating shaft is made of high borosilicate glass with low thermal expansion coefficient, high chemical stability, excellent mechanical properties and high transparency.

[0065] The permanent magnet motor 405 further includes a stator winding 501 , a rotor permanent magnet 502 , an auxiliary bearing 503 , a motor frame 504 and a motor controller 505 . The central control subsystem 1 controls the rotation of the permanent magnet motor 405 through the motor controller 505 , thereby driving the waterproof rotating window 404 to rotate.

[0066] The camera protective cover 4 protects the entire camera, and a circular waterproof rotating window 404 is embedded in the front of the protective cover at the position corresponding to the camera lens; the waterproof rotating window 404 uses a rotating window to remove water marks. The waterproof rotating window 404 is a rapidly rotating circular glass disk driven by the magnetic force of a permanent magnet motor 405; when encountering rain, snow or fog, the rotating window uses the centrifugal force generated by the high-speed rotation to throw water droplets away from the glass surface, thereby maintaining a clear field of view and providing a good window for optical imaging.

[0067] The camera body 2 and camera protective cover 4 are secured to the camera base 3, ensuring that the camera's field of view is within the rotating window. The camera base 3 is mounted on a fixed offshore structure or bedrock at an altitude of 10 meters or higher, providing sufficient field of view to cover the monitored area and ensuring that the camera can monitor the coastal area from a sufficient angle. The remote control module, data management module, system monitoring module, and visualization management module are installed on the computer 104.

[0068] The camera body 2 and the permanent magnet motor 405 driving the waterproof rotating window 404 are connected to the central control subsystem 1 through cables, and the cables pass through the wiring hole 406 at the bottom base of the camera protective cover 4.

[0069] After completing the tests on the central control subsystem 1, the camera body 2 and the permanent magnet motor 405, 50g of desiccant is placed in the desiccant area 407 to remove the existing moisture in the protective cover and keep the camera in a dry working environment.

[0070] Glass glue is used to seal the bottom opening 402 and the wiring hole 406 of the camera protective cover 4 to ensure the watertightness of the entire camera protective cover 4.

[0071] In rainy, snowy, foggy or other weather conditions where the protective cover window is misted, the central control subsystem 1 pre-starts the permanent magnet motor 405 before optical image acquisition to achieve timed mist removal of the rotating window; also, during the optical image acquisition process, the central control subsystem 1 detects blurred vision through a deep learning algorithm and starts the permanent magnet motor 405 to rotate for dynamic compensation, thereby ensuring the image clarity of the optical image acquisition.

[0072] Pre-launch phase:

[0073] Before optical image acquisition, the central control subsystem 1 dynamically adjusts the starting curve of the permanent magnet motor 405 and pre-starts the permanent magnet motor 405 to achieve timed mist removal of the rotating window to avoid mechanical shock caused by sudden load.

[0074] Dynamic compensation stage:

[0075] The deep learning model analyzes the image blur in real time and triggers the permanent magnet motor 405 to rotate to eliminate water flow interference.

[0076] Input layer: 5 consecutive frames of images (resolution 1280×720) are input into a lightweight CNN to extract high-frequency features.

[0077] Decision layer: The LSTM network analyzes time series features and combines IMU data (angular velocity, acceleration) to filter out false alarms (such as device vibration).

[0078] Based on MobileNetv3, the deep learning model integrates the SE (Squeeze-and-Excitation) attention module, which dynamically adjusts channel weights to improve the model's sensitivity to blurry features. A multi-scale feature fusion module (such as FPN) is introduced to detect blurred areas in parallel on feature maps at different levels, effectively addressing blur phenomena of different scales (such as local blur and global blur). A local attention mechanism and a hierarchical structure are used to capture long-range image dependencies while reducing computational complexity. Windowed self-attention is used to reduce computational complexity, making it suitable for blur detection in high-resolution underwater images. Local features extracted by the CNN are fused with global features generated using the local attention mechanism and a hierarchical structure through a cross-attention mechanism, improving the model's robustness to complex blurry scenes. Dynamic compensation is performed after collecting a dataset, training, and optimizing the model.

[0079] The above is only a preferred specific implementation method of this embodiment, but the protection scope of this embodiment is not limited to this. Any technician familiar with this technical field can make equivalent replacements or changes based on the technical solution and inventive concept of this embodiment within the technical scope disclosed in this embodiment, and they should be covered by the protection scope of this embodiment.

Claims

1. A fog-proof marine environment monitoring camera system, comprising a camera body (2) and a camera protective cover (4), characterized in that: The camera body (2) is arranged in a camera protective cover (4), and a waterproof rotating window (404) is embedded in the front end of the camera protective cover (4). The waterproof rotating window (404) is used to remove water marks.

2. The fog-proof marine environment monitoring camera system according to claim 1, characterized in that: The invention also includes a central control subsystem (1), the central control subsystem (1) is arranged at a location with power supply conditions, the camera body (2) is arranged in a camera protective cover (4), the camera protective cover (4) and the camera body (2) are located near the shore, and the central control subsystem and the camera body are connected via a transmission cable (5); the central control subsystem (1) includes: Energy supply module (101): responsible for providing power to the camera body (2) and the waterproof rotating window (404) through the central control subsystem (1) via the transmission cable (5); Data acquisition module (103): collects optical image data of the camera body (2) in real time; Network communication module (102): controls the real-time transmission of observation data and realizes real-time query of observation data; Remote control module: used for remotely operating and controlling the camera body (2) and the waterproof rotating window (404); Data management module: responsible for storing, processing and analyzing the collected data and extracting marine environmental information; System monitoring module: monitors the operating status of the entire system to ensure stable operation of the system; Visual management module: displays the collected data in a visual way.

3. The fog-proof marine environment monitoring camera system according to claim 1, characterized in that: The camera body (2) is a rectangular or cylindrical long-distance camera; the camera protective cover (4) is a rectangular shape with rounded corners; the camera body (2) and the camera protective cover (4) are fixed together on the camera base (3).

4. The fog-proof marine environment monitoring camera system according to claim 3, characterized in that: The camera base (3) is fixedly mounted on a nearshore fixed facility or on a bedrock at a height of more than 10 m above sea level.

5. The fog-proof marine environment monitoring camera system according to claim 3, characterized in that: The bottom of the camera protective cover (4) is provided with an opening (402) for placing the camera body (2); the diameter of the opening (402) matches the bottom diameter of the camera body (2); a fixing device (403) is provided at the opening (402) for fixing the bottom of the camera protective cover (4) to the camera base (3) after the camera body (2) is installed; a sealing rubber ring is also installed at the opening (402); a wiring hole (406) is provided at the bottom of the camera protective cover (4), and a desiccant area (407) is provided inside the camera protective cover (4).

6. The fog-proof marine environment monitoring camera system according to claim 1, characterized in that: The main body material of the camera protective cover (4) is stainless steel, aluminum alloy or engineering plastic.

7. The fog-proof marine environment monitoring camera system according to claim 1, characterized in that: The waterproof rotating window (404) is a circular glass disk driven to rotate by a permanent magnet motor (405).

8. The fog-proof marine environment monitoring camera system according to claim 1, characterized in that: The waterproof rotating window (404) is made of optical glass with high transparency.

9. The fog-proof marine environment monitoring camera system according to claim 5, characterized in that: The opening (402) and the wiring hole (406) are sealed with glass glue.

10. The fog-proof marine environment monitoring camera system according to claim 7, characterized in that: The waterproof rotating window (404) is pre-started by the central control subsystem to rotate the permanent magnet motor (405) before optical image acquisition, and is also started to rotate when the central control subsystem detects blurred vision through a deep learning algorithm during the optical image acquisition process.

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