An underwater observation device for mariculture

Abstract

This invention discloses an underwater observation device for marine aquaculture. The invention relates to the field of marine aquaculture technology and includes a frame, of which two frames are provided. Each frame has a locking block fixedly installed on its outer surface, and a searchlight is fixedly installed on the outer surface of each locking block. A cleaning assembly is also included, used for underwater movement of the underwater observation device and for cleaning seaweed. A control box is fixedly installed at the center of the top of the cleaning assembly. This underwater observation device for marine aquaculture operates by having a motor inside the motor housing activated by a worker. The motor output drives a connecting shaft to rotate. Cutting components installed on both sides of the connecting shaft rotate within square grooves as the shaft rotates, cutting the seaweed underwater. Since marine aquaculture is mostly located in shallow sea areas, when the observation device moves to the bottom of the aquaculture area, the cutting components contact the seabed and move along the seabed as they rotate, facilitating the movement of the observation device on the seabed.

Description

[0001] This invention relates to the field of marine aquaculture technology, specifically to an underwater observation device for marine aquaculture. Background Technology

[0002] China is a major maritime power, and marine fisheries are an important component of modern agriculture and the marine economy. As marine fisheries shift from traditional extensive farming to a modern and sustainable model, the concept of modern marine ranching has emerged. Marine ranching requires monitoring of a wide range of water bodies and the ecological environment to understand the growth and development of aquaculture products such as fish and shrimp, enabling functions such as automatic oxygenation, precise feeding, and fish disease diagnosis. This necessitates the deployment of multiple sensor nodes and underwater video monitoring nodes to obtain real-time information on various environmental profiles, including ocean temperature, ecology, and biological data, thus creating a demand for underwater observation equipment.

[0003] Marine aquaculture typically takes place in shallow seas, tidal flats, or harbors, utilizing these locations to raise and reproduce marine life. To improve the quality of aquaculture, underwater monitoring equipment is needed to observe the growth of these organisms, allowing for timely detection of problems and appropriate interventions. Currently, existing monitoring equipment is usually designed for long-term underwater operation. During use, seaweed and other debris in the seawater may become entangled in the equipment, preventing it from detaching or moving, or obstructing the camera, thus hindering normal recording and observation. Summary of the Invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solution: an underwater observation device for marine aquaculture, comprising: a frame plate, wherein two frames plate are provided, and a locking block is fixedly installed on the side of the outer surface of each of the two frames plate, and a searchlight is fixedly installed on the outer surface of the locking block; A cleaning assembly is used for underwater observation equipment movement and seaweed removal. A control box is fixedly installed at the middle of the top of the cleaning assembly, and the cleaning assembly is fixedly installed between the opposite sides of the frame plate. The protective component is used to reinforce underwater observation equipment against collisions. The protective component is provided in two sets, and both sets of the protective component are fixedly installed on the outer surface of the frame plate. A drive assembly is fixedly installed between the opposite sides of the frame plate on the side away from the cleaning assembly. An observation camera is fixedly installed inside the drive assembly. During marine aquaculture observation, workers connect the observation equipment to a rope and then deploy the equipment underwater. Workers activate the drive and cleaning assemblies to move the equipment underwater. The observation camera moves with the equipment, capturing images of the underwater aquaculture conditions. The cleaning assemblies cut and clear seaweed around the equipment as it moves, preventing it from becoming entangled and difficult to detach during observation. After observation, workers reel in the rope to pull the equipment out of the water.

[0005] Preferably, the cleaning component includes a base plate with four square grooves on its surface, arranged symmetrically around the base plate. A mounting base is fixedly installed at the bottom of the base plate, and a motor protective shell is fixedly installed inside the mounting base. A motor is fixedly installed inside the motor protective shell, and connecting shafts are rotatably mounted on both sides of the outer surface of the motor protective shell. These connecting shafts pass through the motor protective shell and are fixedly connected to the motor output end. Cutting components are rotatably mounted on the outer surface of the connecting shafts. When the operator starts the motor inside the motor protective shell, the motor output end drives the connecting shafts to rotate. At this time, the cutting components mounted on both sides of the connecting shafts rotate within the square grooves as the connecting shafts rotate, cutting the seaweed underwater. Since most marine aquaculture is located in shallow sea areas, when the observation equipment moves to the bottom of the aquaculture area, the cutting components contact the seabed and move along the seabed as the cutting components rotate, facilitating the movement of the observation equipment on the seabed.

[0006] Preferably, the base plate is fixedly installed between opposite sides of the frame plate, the base plate is fixedly installed at the bottom of the control box, and two mounting seats are provided, which are symmetrically arranged with the control box as the center.

[0007] Preferably, the cutting component includes an outer ring, a rotating shaft is fixedly installed at the center of the outer surface of the outer ring, a positioning ring is sleeved at the middle of the outer surface of the rotating shaft, two positioning rings are provided, and inclined blades are fixedly installed on the sides of the outer surfaces of the two positioning rings. A frame ring is fixedly installed on the outer surface of the inclined blades, and a cutting roller is fixedly installed on the outer side of the positioning rings. The cutting rollers are distributed circumferentially on the surface of the rotating shaft, and a limiting pad is rotatably installed at the center of the outer surface of the rotating shaft. When the operator starts the motor, the motor output drives the connecting shaft and the rotating shaft to rotate. At this time, the positioning ring sleeved on the outer side of the rotating shaft drives the inclined blades and the frame ring to rotate. The inclined blades installed between the positioning ring and the frame ring are segmented and inclined. When the rotating shaft rotates, the inclined blades and the cutting rollers can cut the seaweed to prevent the seaweed from getting tangled in the observation equipment, making it difficult for the observation equipment to detach, and also to avoid the phenomenon that a lot of seaweed around the observation equipment will cover the observation camera during observation.

[0008] Preferably, the outer ring is rotatably mounted on the outer surface of the connecting shaft, the rotating shaft is rotatably mounted inside the square groove, the frame ring is adapted to the square groove, and the limiting pad is fixedly connected to the frame plate. When the observation equipment descends to the seabed, multiple sets of frame rings support the observation equipment between the observation equipment and the seabed. When the rotating shaft drives the positioning ring and the frame ring to rotate, the frame ring drives the observation equipment to move on the seabed, thereby improving the mobility of the observation equipment during seabed observation.

[0009] Preferably, the protective assembly includes a mounting frame, with a fixing block fixedly mounted on the outer surface of the mounting frame. The fixing block is fixedly mounted inside the frame plate. A fixing ring is fixedly mounted on the top of the mounting frame. A retaining pad is fixedly mounted inside the mounting frame. A pad block is fixedly mounted on the outer surface of the retaining pad. A shaped perforated tube is fixedly mounted on the bottom of the mounting frame. The shaped perforated tube is designed as a hollow structure. When the worker connects the rope to the fixing ring and then puts the observation equipment into the water, the bottom of the observation equipment contacts the seawater first. At this time, the seawater flows into the shaped perforated tube from the bottom. Because the diameters of the two ends of the shaped perforated tube are different, the bottom opening of the shaped perforated tube is larger than the top opening, forming a funnel-shaped expansion structure. When the seawater flows into the shaped perforated tube from the bottom, the expansion structure of the shaped perforated tube can form a larger "water absorption area" in the water. Compared with a straight pipe, it can more efficiently collect the surrounding water and expand the water absorption range. Moreover, the gradual curve of the shaped perforated tube is closer to the direction of the seawater, causing less disturbance to the water body when entering the water. The seawater can smoothly enter the pipe, reducing the water resistance. When the observation equipment moves underwater, the mounting brackets, pads, and blocks installed on both sides protect the exterior of the equipment to prevent it from colliding with reefs and being damaged.

[0010] Preferably, the drive assembly includes a top frame, with collars fixedly installed on both sides of the outer surface of the top frame, support bars fixedly installed on the outer surface of the collars, and anti-blocking guides fixedly installed inside the top frame.

[0011] Preferably, the top frame is fixedly installed between the opposite surfaces of the frame plate on the side away from the bottom plate, the collar is sleeved on both sides of the outer surface of the observation camera, and the top frame is fixedly installed on the top of the observation camera.

[0012] Preferably, the anti-clogging guide includes a retaining ring, an installation post fixedly installed inside the retaining ring, a connecting block fixedly installed at the bottom of the installation post, a housing fixedly installed at the bottom of the connecting block, a shaft installed inside the housing, propeller blades fixedly installed on the outer surface of the shaft, a drive shaft and a flow guide semicircular block rotatably installed on the outer surface of the shaft, and connecting strips fixedly installed on the outer surfaces of both the drive shaft and the flow guide semicircular block, the connecting strips being fixedly installed on the outer surface of the housing. After the observation equipment enters the water, the operator starts the drive shaft, causing the propeller blades inside the housing to rotate underwater with the shaft, cutting the water flow and generating axial thrust to provide driving force for the observation equipment. When the propeller blades rotate, the water vortex generated around the blades can easily become entangled on the propeller. At this time, the flow guide semicircular block installed on the outside of the shaft, the drive shaft, and the housing protect the propeller to prevent seaweed or flexible debris from becoming entangled in the propeller and causing the blades to jam.

[0013] Preferably, the retaining ring is fixedly installed inside the top frame, and the propeller blades are rotatably installed inside the housing via a shaft.

[0014] This invention provides an underwater observation device for marine aquaculture. It has the following beneficial effects: I. This underwater observation equipment for marine aquaculture is used to observe marine aquaculture. When conducting observations, staff connect the equipment to a rope and then deploy it underwater. Staff activate the drive and cleaning components to move the equipment underwater. During this process, the observation camera moves with the equipment to film the underwater aquaculture conditions. The cleaning component cuts and cleans the seaweed around the equipment as it moves to prevent it from becoming entangled and difficult to detach during observation. After the observation is completed, staff reel in the rope to pull the equipment out of the water.

[0015] II. This underwater observation equipment for marine aquaculture operates by having a motor inside the motor housing activated by staff. This motor's output drives the connecting shaft to rotate. Cutting components mounted on both sides of the connecting shaft rotate within square grooves to cut seaweed underwater. Since marine aquaculture is mostly located in shallow waters, when the observation equipment moves to the bottom of the aquaculture area, the cutting components contact the seabed and move along the seabed as they rotate, facilitating the equipment's movement. When the equipment submerges to the seabed, multiple sets of support rings provide support between the equipment and the seabed. As the rotating shaft drives the positioning rings and support rings to rotate, the support rings move the observation equipment along the seabed, enhancing its mobility during seabed observations.

[0016] 3. The underwater observation equipment used for marine aquaculture is activated by the staff, which causes the motor output to drive the connecting shaft and the rotating shaft to rotate. At this time, the positioning ring sleeved on the outside of the rotating shaft drives the inclined blade and the frame ring to rotate. The inclined blade installed between the positioning ring and the frame ring is segmented and inclined. When the rotating shaft rotates, the inclined blade and the cutting roller can cut the seaweed to prevent the seaweed from getting tangled on the observation equipment, making it difficult for the observation equipment to detach. At the same time, it avoids the phenomenon that the observation camera is covered by a lot of seaweed around the observation equipment during the observation.

[0017] IV. This underwater observation equipment for marine aquaculture is deployed by workers who connect ropes to fixing rings. When the equipment is lowered into the water, the bottom of the equipment contacts the seawater first. Seawater then flows into the irregularly shaped pipe. Due to the different diameters at the two ends of the pipe, the bottom opening is larger than the top opening, forming a funnel-shaped expansion structure. As seawater flows in, this expansion structure creates a larger "water-absorbing area" in the water. Compared to straight pipes, this more efficiently collects surrounding water and expands the absorption range. Furthermore, the gradual curve of the irregularly shaped pipe better matches the direction of the seawater, minimizing disturbance to the water body upon entry and allowing seawater to enter smoothly, reducing water resistance. When the equipment is moved underwater, mounting brackets, pads, and blocks on both sides protect the exterior of the equipment to prevent collisions with reefs and damage.

[0018] 5. This underwater observation equipment for marine aquaculture, after entering the water, is activated by the staff to drive the propeller blades inside the casing. This causes the propeller blades to rotate underwater, cutting through the water flow and generating axial thrust to drive the observation equipment. When the propeller blades rotate, the water vortex generated around the blades can easily get tangled in the propeller. At this time, the guide semicircular block installed on the outside of the shaft, the drive shaft, and the casing protect the propeller to prevent seaweed or flexible debris from getting tangled in the propeller and causing the blades to jam. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the external structure of an underwater observation device for marine aquaculture according to the present invention; Figure 2 This is a schematic diagram of the external structure of an underwater observation device for marine aquaculture according to the present invention from another angle; Figure 3 This is a schematic diagram of the structure of the driving component of the present invention; Figure 4 This is a schematic diagram of the anti-clogging guide of the present invention; Figure 5 This is an enlarged cross-sectional structural diagram of the anti-clogging guide of the present invention; Figure 6 This is a schematic diagram of the connection structure between the protective component and the frame plate of the present invention; Figure 7 This is a schematic diagram of the structure of the protective component of the present invention; Figure 8 This is an enlarged structural schematic diagram of the cross-section of the irregularly shaped tube of the present invention; Figure 9 This is a schematic diagram of the cleaning component of the present invention; Figure 10 This is a schematic diagram of the cutting and rotating part of the present invention; Figure 11 This is a schematic diagram of the disassembly structure of the cutting and rotating component of the present invention. In the diagram: 1. Frame plate; 2. Protective components; 21. Fixing ring; 22. Irregularly shaped through-tube; 23. Pad block; 24. Mounting bracket; 25. Clip; 26. Fixing block; 3. Observation camera; 4. Cleaning components; 41. Base plate; 42. Cutting component; 421. Inclined blade; 422. External ring; 423. Frame ring; 424. Cutting roller; 425. Positioning ring; 426. Rotating shaft; 427. Limiting pad; 43. Square groove; 44. Mounting base; 45. Motor protective housing; 46. Connecting shaft; 5. Searchlight; 6. Clamping block; 7. Drive assembly; 71. Top frame; 72. Collar; 73. Support bar; 74. Anti-blocking guide; 741. Mounting column; 742. Clamping ring; 743. Drive shaft; 744. Connecting block; 745. Connecting bar; 746. Guide semi-circular block; 747. Propeller blade; 748. Housing; 749. Shaft; 8. Control box. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] First embodiment, such as Figures 1 to 11 As shown, the present invention provides a technical solution: an underwater observation device for marine aquaculture, comprising: a frame plate 1, wherein two frame plates 1 are provided, and a locking block 6 is fixedly installed on the side of the outer surface of each of the two frame plates 1, and a searchlight 5 is fixedly installed on the outer surface of the locking block 6; Cleaning component 4 is used for underwater observation equipment movement and seaweed removal. A control box 8 is fixedly installed at the middle of the top of the cleaning component 4. The cleaning component 4 is fixedly installed between the opposite sides of the frame plate 1. The cleaning component 4 includes a base plate 41. The surface of the base plate 41 is provided with four square grooves 43, which are symmetrically arranged around the base plate 41. A mounting base 44 is fixedly installed at the bottom of the base plate 41. A motor protective shell 45 is fixedly installed inside the mounting base 44. A motor is fixedly installed inside the motor protective shell 45. Connecting shafts 46 are rotatably installed on both sides of the outer surface of the motor protective shell 45. The connecting shafts 46 pass through the motor protective shell 45 and are fixedly connected to the output end of the motor. A cutting rotor 42 is rotatably installed on the outer surface of the connecting shaft 46. The staff started the motor inside the motor protective shell 45, which caused the motor output to drive the connecting shaft 46 to rotate. At this time, the cutting rotating parts 42 installed on both sides of the connecting shaft 46 rotated in the square groove 43 as the connecting shaft 46 rotated, so as to cut the seaweed underwater. Since most marine aquaculture is located in shallow sea areas, when the observation equipment moves to the bottom of the aquaculture area, the cutting rotating parts 42 come into contact with the seabed and move on the seabed as the cutting rotating parts 42 rotate, so as to facilitate the movement of the observation equipment on the seabed.

[0022] The base plate 41 is fixedly installed between the opposite sides of the frame plate 1. The base plate 41 is fixedly installed at the bottom of the control box 8. There are two mounting seats 44, which are symmetrically arranged with the control box 8 as the center.

[0023] Protective component 2 is used for anti-collision reinforcement of underwater observation equipment. The protective component 2 is provided in two sets, and both sets of the protective component 2 are fixedly installed on the outer surface of the frame plate 1. The protective component 2 includes a mounting frame 24, with a fixing block 26 fixedly mounted on the outer surface of the mounting frame 24. The fixing block 26 is fixedly mounted inside the frame plate 1. A fixing ring 21 is fixedly mounted on the top of the mounting frame 24. A retaining pad 25 is fixedly mounted inside the mounting frame 24. A pad block 23 is fixedly mounted on the outer surface of the retaining pad 25. A shaped through tube 22 is fixedly mounted on the bottom of the mounting frame 24. The shaped through tube 22 is configured as a hollow structure. When the staff connects the rope to the fixing ring 21 and then lowers the observation equipment into the water, the bottom of the equipment contacts the seawater first. Seawater then flows into the irregularly shaped pipe 22 from its bottom. Because the two ends of the irregularly shaped pipe 22 have different diameters, the bottom opening is larger than the top opening, forming a funnel-shaped expansion structure. As seawater flows into the pipe, this expansion structure creates a larger "water-absorbing area" in the water. Compared to a straight pipe, this more efficiently collects surrounding water and expands the water-absorbing range. Furthermore, the gradual curve of the irregularly shaped pipe 22 better matches the direction of the seawater, minimizing disturbance to the water body upon entry and allowing seawater to enter smoothly, reducing water resistance. When the observation equipment moves underwater, the mounting brackets 24, pads 25, and blocks 23 installed on both sides protect the exterior of the equipment to prevent collisions with reefs and damage during underwater movement.

[0024] The drive assembly 7 is fixedly installed between the opposite sides of the frame plate 1 on the side away from the cleaning assembly 4. An observation camera 3 is fixedly installed inside the drive assembly 7. During marine aquaculture observation, the staff connects the observation equipment to a rope and then deploys the equipment underwater. The staff activates the drive assembly 7 and the cleaning assembly 4 to move the observation equipment underwater. The observation camera 3 moves with the equipment, capturing images of the underwater aquaculture conditions. The cleaning assembly 4 cuts and cleans the seaweed around the observation equipment as it moves, preventing it from becoming entangled and difficult to detach during observation. After the observation is completed, the staff rewinds the rope to pull the equipment out of the water.

[0025] The drive assembly 7 includes a top frame 71, with collars 72 fixedly installed on both sides of the outer surface of the top frame 71, support bars 73 fixedly installed on the outer surface of the collars 72, and anti-blocking guides 74 fixedly installed inside the top frame 71.

[0026] The top frame 71 is fixedly installed between the opposite surfaces of the frame plate 1 on the side away from the bottom plate 41, the collar 72 is sleeved on both sides of the outer surface of the observation camera 3, and the top frame 71 is fixedly installed on the top of the observation camera 3.

[0027] The second embodiment is based on the first embodiment; please refer to [link / reference]. Figures 3 to 5As shown, the anti-blocking guide 74 includes a retaining ring 742, an mounting post 741 is fixedly installed inside the retaining ring 742, a connecting block 744 is fixedly installed at the bottom of the mounting post 741, a housing 748 is fixedly installed at the bottom of the connecting block 744, a shaft 749 is installed inside the housing 748, a propeller blade 747 is fixedly installed on the outer surface of the shaft 749, a drive shaft 743 and a flow guide semicircular block 746 are rotatably installed on the outer surface of the shaft 749, a connecting strip 745 is fixedly installed on the outer surface of both the drive shaft 743 and the flow guide semicircular block 746, and the connecting strip 745 is fixedly installed on the outer surface of the housing 748. After the observation equipment enters the water, the staff starts the drive shaft 743, so that the propeller blades 747 inside the housing 748 rotate with the shaft 749 and cut the water flow underwater, generating axial thrust to provide driving force for the observation equipment. When the propeller blades 747 rotate, the water vortex generated around the blades can easily get entangled on the propeller. At this time, the guide semicircular block 746 installed on the outside of the shaft 749, the drive shaft 743 and the housing 748 protect the propeller to prevent seaweed or flexible debris from getting entangled on the propeller and causing the blades to jam.

[0028] The retaining ring 742 is fixedly installed inside the top frame 71, and the propeller blade 747 is rotatably installed inside the housing 748 via the shaft 749.

[0029] The third embodiment is based on embodiments one and two; please refer to [link / reference]. Figures 9 to 11 As shown, the cutting rotating part 42 includes an outer ring 422. A rotating shaft 426 is fixedly installed at the center of the outer surface of the outer ring 422. A positioning ring 425 is sleeved at the middle of the outer surface of the rotating shaft 426. There are two positioning rings 425. Inclined blades 421 are fixedly installed on the sides of the outer surfaces of the two positioning rings 425. A frame ring 423 is fixedly installed on the outer surface of the inclined blades 421. A cutting roller blade 424 is fixedly installed on the outer side of the positioning ring 425. The cutting roller blades 424 are distributed circumferentially on the surface of the rotating shaft 426. A limiting pad 427 is rotatably installed at the center of the outer surface of the rotating shaft 426. The staff started the motor, which caused the motor output to drive the connecting shaft 46 and the rotating shaft 426 to rotate. At this time, the positioning ring 425 sleeved on the outside of the rotating shaft 426 drives the inclined blade 421 and the frame ring 423 to rotate. The inclined blade 421 installed between the positioning ring 425 and the frame ring 423 is segmented and inclined. When the rotating shaft 426 rotates, the inclined blade 421 and the cutting roller 424 can cut the seaweed to prevent the seaweed from getting tangled in the observation equipment, making it difficult for the observation equipment to detach. At the same time, it avoids the phenomenon that the observation camera 3 is covered by a lot of seaweed around the observation equipment during the observation.

[0030] The outer ring 422 is rotatably mounted on the outer surface of the connecting shaft 46, the rotating shaft 426 is rotatably mounted inside the square groove 43, the support ring 423 is adapted to the square groove 43, and the limiting pad 427 is fixedly connected to the frame plate 1. When the observation equipment descends to the seabed, multiple sets of support rings 423 support the observation equipment between the observation equipment and the seabed. When the rotating shaft 426 drives the positioning ring 425 and the support rings 423 to rotate, the support rings 423 move the observation equipment on the seabed, thereby improving the mobility of the observation equipment during seabed observation.

[0031] During use, when observing marine aquaculture, staff connect the observation equipment to the rope and then deploy the equipment underwater. Staff activate the drive component 7 and the cleaning component 4 to move the observation equipment underwater. At this time, the observation camera 3 moves with the observation equipment to film the underwater aquaculture conditions. The cleaning component 4 cuts and cleans the seaweed around the observation equipment as it moves to prevent the equipment from getting entangled in the seaweed and being unable to detach during the observation. After the observation is completed, staff roll up the rope to pull the observation equipment out of the water.

[0032] The staff started the motor inside the motor protective shell 45, which caused the motor output to drive the connecting shaft 46 to rotate. At this time, the cutting rotating parts 42 installed on both sides of the connecting shaft 46 rotated in the square groove 43 as the connecting shaft 46 rotated, so as to cut the seaweed underwater. Since most marine aquaculture is located in shallow sea areas, when the observation equipment moves to the bottom of the aquaculture area, the cutting rotating parts 42 come into contact with the seabed and move on the seabed as the cutting rotating parts 42 rotate, so as to facilitate the movement of the observation equipment on the seabed.

[0033] The staff started the motor, which caused the motor output to drive the connecting shaft 46 and the rotating shaft 426 to rotate. At this time, the positioning ring 425 sleeved on the outside of the rotating shaft 426 drives the inclined blade 421 and the frame ring 423 to rotate. The inclined blade 421 installed between the positioning ring 425 and the frame ring 423 is segmented and inclined. When the rotating shaft 426 rotates, the inclined blade 421 and the cutting roller 424 can cut the seaweed to prevent the seaweed from getting tangled in the observation equipment, making it difficult for the observation equipment to detach. At the same time, it avoids the phenomenon that the observation camera 3 is covered by a lot of seaweed around the observation equipment during the observation.

[0034] When the observation equipment descends to the seabed, multiple sets of support rings 423 support the observation equipment between the equipment and the seabed. When the rotating shaft 426 drives the positioning ring 425 and the support rings 423 to rotate, the support rings 423 drive the observation equipment to move on the seabed, thereby improving the mobility of the observation equipment when conducting observations on the seabed.

[0035] When the staff connects the rope to the fixing ring 21 and then lowers the observation equipment into the water, the bottom of the equipment contacts the seawater first. Seawater then flows into the irregularly shaped pipe 22 from its bottom. Because the two ends of the irregularly shaped pipe 22 have different diameters, the bottom opening is larger than the top opening, forming a funnel-shaped expansion structure. As seawater flows into the pipe, this expansion structure creates a larger "water-absorbing area" in the water. Compared to a straight pipe, this more efficiently collects surrounding water and expands the water-absorbing range. Furthermore, the gradual curve of the irregularly shaped pipe 22 better matches the direction of the seawater, minimizing disturbance to the water body upon entry and allowing seawater to enter smoothly, reducing water resistance. When the observation equipment moves underwater, the mounting brackets 24, pads 25, and blocks 23 installed on both sides protect the exterior of the equipment to prevent collisions with reefs and damage during underwater movement.

[0036] After the observation equipment enters the water, the staff starts the drive shaft 743, so that the propeller blades 747 inside the housing 748 rotate with the shaft 749 and cut the water flow underwater, generating axial thrust to provide driving force for the observation equipment. When the propeller blades 747 rotate, the water vortex generated around the blades can easily get entangled on the propeller. At this time, the guide semicircular block 746 installed on the outside of the shaft 749, the drive shaft 743 and the housing 748 protect the propeller to prevent seaweed or flexible debris from getting entangled on the propeller and causing the blades to jam.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An underwater observation device for marine aquaculture, characterized in that, include: The frame (1) is provided in two parts. Each of the two frame (1) has a locking block (6) fixedly installed on the side of its outer surface. A searchlight (5) is fixedly installed on the outer surface of the locking block (6). Cleaning component (4), which is used for underwater observation equipment underwater movement and seaweed cleaning, has a control box (8) fixedly installed at the middle of the top of the cleaning component (4), and the cleaning component (4) is fixedly installed between the opposite sides of the frame plate (1); The protective component (2) is used for anti-collision reinforcement of underwater observation equipment. The protective component (2) is provided in two sets, and both sets of the protective component (2) are fixedly installed on the outer surface of the frame plate (1). A drive assembly (7) is fixedly installed between the opposite surfaces of the frame plate (1) on the side away from the cleaning assembly (4), and an observation camera (3) is fixedly installed inside the drive assembly (7).

2. The underwater observation device for marine aquaculture according to claim 1, characterized in that: The cleaning component (4) includes a base plate (41), and a square groove (43) is provided on the surface of the base plate (41). There are four square grooves (43) symmetrically arranged with the base plate (41) as the center. A mounting base (44) is fixedly installed at the bottom of the base plate (41). A motor protective shell (45) is fixedly installed inside the mounting base (44). A motor is fixedly installed inside the motor protective shell (45). A connecting shaft (46) is rotatably installed on both sides of the outer surface of the motor protective shell (45). The connecting shaft (46) passes through the motor protective shell (45) and is fixedly connected to the output end of the motor. A cutting component (42) is rotatably installed on the outer surface of the connecting shaft (46).

3. The underwater observation device for marine aquaculture according to claim 2, characterized in that: The base plate (41) is fixedly installed between the opposite sides of the frame plate (1). The base plate (41) is fixedly installed at the bottom of the control box (8). There are two mounting seats (44), which are symmetrically arranged with the control box (8) as the center.

4. The underwater observation device for marine aquaculture according to claim 3, characterized in that: The cutting rotating part (42) includes an outer ring (422). A rotating shaft (426) is fixedly installed at the center of the outer surface of the outer ring (422). A positioning ring (425) is sleeved at the middle of the outer surface of the rotating shaft (426). There are two positioning rings (425). Inclined blades (421) are fixedly installed on the sides of the outer surfaces of the two positioning rings (425). A frame ring (423) is fixedly installed on the outer surface of the inclined blades (421). A cutting roller (424) is fixedly installed on the outer side of the positioning ring (425). The cutting rollers (424) are distributed in a circumferential shape on the surface of the rotating shaft (426). A limiting pad (427) is rotatably installed at the center of the outer surface of the rotating shaft (426).

5. An underwater observation device for marine aquaculture according to claim 4, characterized in that: The outer ring (422) is rotatably mounted on the outer surface of the connecting shaft (46), the rotating shaft (426) is rotatably mounted inside the square groove (43), the frame ring (423) is adapted to the square groove (43), and the limiting pad (427) is fixedly connected to the frame plate (1).

6. The underwater observation device for marine aquaculture according to claim 1, characterized in that: The protective component (2) includes a mounting frame (24), a fixing block (26) is fixedly installed on the outer surface of the mounting frame (24), the fixing block (26) is fixedly installed inside the frame plate (1), a fixing ring (21) is fixedly installed on the top of the mounting frame (24), a pad (25) is fixedly installed inside the mounting frame (24), a pad block (23) is fixedly installed on the outer surface of the pad (25), and a shaped through tube (22) is fixedly installed at the bottom of the mounting frame (24). The shaped through tube (22) is configured as a hollow structure.

7. The underwater observation device for marine aquaculture according to claim 1, characterized in that: The drive assembly (7) includes a top frame (71), with collars (72) fixedly installed on both sides of the outer surface of the top frame (71), support bars (73) fixedly installed on the outer surface of the collars (72), and anti-blocking guides (74) fixedly installed inside the top frame (71).

8. An underwater observation device for marine aquaculture according to claim 7, characterized in that: The top frame (71) is fixedly installed between the opposite surfaces of the frame plate (1) away from the bottom plate (41), the collar (72) is sleeved on both sides of the outer surface of the observation camera (3), and the top frame (71) is fixedly installed on the top of the observation camera (3).

9. An underwater observation device for marine aquaculture according to claim 8, characterized in that: The anti-blocking guide (74) includes a retaining ring (742), an installation post (741) is fixedly installed inside the retaining ring (742), a connecting block (744) is fixedly installed at the bottom of the installation post (741), a housing (748) is fixedly installed at the bottom of the connecting block (744), a shaft (749) is installed inside the housing (748), a propeller blade (747) is fixedly installed on the outer surface of the shaft (749), a drive shaft (743) and a flow guide semicircular block (746) are rotatably installed on the outer surface of the shaft (749), and a connecting strip (745) is fixedly installed on the outer surface of both the drive shaft (743) and the flow guide semicircular block (746), and the connecting strip (745) is fixedly installed on the outer surface of the housing (748).

10. An underwater observation device for marine aquaculture according to claim 9, characterized in that: The retaining ring (742) is fixedly installed inside the top frame (71), and the propeller blade (747) is rotatably installed inside the housing (748) via the shaft (749).

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