Laser equipment applied to growth regulation and control of aquatic organisms

Abstract

The invention provides laser equipment applied to growth regulation and control of aquatic organisms. The laser equipment comprises a shell assembly, an optical assembly and a laser assembly, the shell assembly comprises a hollow cylindrical shell and blind flange plates installed on the two end faces of the shell. The optical assembly is arranged in the shell assembly and is in a hollow cylinder shape defined by a plurality of bottom plates, each bottom plate is provided with a plurality of lens supports, and the lens supports are provided with uniform light scattering lenses. The laser assembly is arranged in the optical assembly and comprises a heat sink and a plurality of laser emitting units, the heat sink comprises a base column arranged at the axis of the laser equipment and a plurality of base plates surrounding the base column, and the laser emitting units are arranged on the surfaces of the base plates. According to the laser equipment, the defects of existing illumination equipment in aquatic organism culture are overcome, and a brand new solution is provided for efficient culture and fine management of aquatic organisms.

Description

Technical Field

[0001] This invention relates to the field of laser technology, and in particular to a laser device for regulating the growth of aquatic organisms. Background Technology

[0002] Light is an indispensable environmental factor for the growth, development, and reproduction of aquatic organisms. For photosynthetic organisms such as microalgae, light intensity and spectral composition directly affect their growth rate and biomass accumulation; while for aquatic animals such as fish, shrimp, and crabs, light significantly regulates their physiological activities, growth, development, and behavioral patterns. Therefore, optimizing light conditions is crucial for improving the efficiency of aquaculture and ensuring the healthy growth of aquatic organisms.

[0003] In natural environments, lighting conditions are affected by multiple factors such as season, weather, and geographical location, making it difficult to maintain stability. To meet the needs of indoor aquaculture or specific research, artificial light sources are widely used to provide supplemental lighting.

[0004] Lasers, as a novel light source, possess characteristics such as high photoelectric conversion efficiency, precise wavelength, and strong coherence. Using lasers as artificial supplementary lighting can significantly improve electron transfer efficiency, light energy utilization, and reduce energy consumption. Furthermore, lasers have a longer effective range, compensating for the shortcomings of traditional light sources or LEDs. In recent years, lasers have been increasingly applied to supplemental lighting for crops such as rice, cucumbers, peppers, bayberries, and tea, demonstrating excellent effects in improving quality and yield, as well as enhancing stress resistance and disease prevention.

[0005] However, given the unique ecological environment and physiological needs of aquatic organisms, existing lighting equipment is insufficient to meet their specific requirements. Therefore, there is an urgent need to develop a new type of laser equipment specifically designed for underwater use to precisely meet the lighting needs of aquatic organisms and provide strong technical support for the efficient aquaculture of these organisms. Summary of the Invention

[0006] This invention proposes a laser device for regulating the growth of aquatic organisms, which can provide uniform irradiation in both the axial and circumferential directions, especially 360° circumferential irradiation.

[0007] This invention provides a laser device for regulating the growth of aquatic organisms, comprising a housing assembly, an optical assembly, and a laser assembly. The housing assembly includes a light-transmitting hollow cylindrical housing and flange blind plates mounted on both ends of the housing. The optical assembly is disposed within the housing assembly and is formed by several base plates enclosing a hollow cylindrical shape. Several lens supports are disposed on each base plate, and uniform light scattering lenses are disposed on the lens supports. The laser assembly is disposed within the optical assembly and includes a heat sink and multiple laser emitting units. The heat sink includes a base column disposed at the axis of the laser device and several substrates surrounding the base column. The laser emitting units are disposed on the surface of the substrates.

[0008] Preferably, the surface of the uniform light scattering lens facing the laser emitting unit is provided with a plurality of tiny lens units, the tiny size being 100-5000 micrometers, the lens units being light-transmitting small protrusions, and the lens units being closely arranged in an array.

[0009] Preferably, curve S1 of the lens unit perpendicular to the cross-sectional profile of the uniform light scattering lens is an elliptical arc or a parabola, and curve S2 of the lens unit perpendicular to the longitudinal profile of the uniform light scattering lens is an elliptical arc or a parabola, with S1 and S2 having different radii of curvature.

[0010] Preferably, the substrate and the base plate are arranged in pairs, the laser emitting unit and the uniform light scattering lens are arranged in pairs, and the laser beam of the laser emitting unit is perpendicularly incident on the uniform light scattering lens.

[0011] Preferably, the optical component further includes a connecting strip for connecting the base plate; the end face of the connecting strip abuts against the flange blind plate, and the end face of the base column abuts against the flange blind plate.

[0012] Preferably, the flange blind plate is provided with a lifting ring interface for connecting lifting rings and a gland interface for installing glands.

[0013] Preferably, the inner surface of the flange blind plate is provided with a glue groove for waterproof sealing, and the outer shell is connected to the flange blind plate at the glue groove.

[0014] This invention provides a laser device for regulating the growth of aquatic organisms, which has the following significant advantages compared to existing technologies: (1) Improved irradiation effect: The laser device used in this invention has the characteristics of strong penetration and wide irradiation range. After the laser beam is shaped by the uniform light scattering lens of the optical component, it can achieve uniform beam coverage of 360° around the device, ensuring that aquatic organisms can receive uniform light at different positions and angles, thereby significantly improving the irradiation effect.

[0015] (2) By precisely controlling the spectral composition and intensity of the laser, this invention can make personalized adjustments to meet the growth needs of different aquatic organisms. This precise regulation helps to optimize the physiological activities, growth and development, and behavioral patterns of aquatic organisms, thereby achieving precise regulation of their growth status.

[0016] (3) This invention fills the gap in the field of underwater irradiation of aquatic organisms using laser equipment, and provides a brand-new method for improving and regulating the growth status of aquatic organisms. Compared with traditional artificial light sources, lasers have advantages such as high photoelectric conversion efficiency, precise wavelength, and strong coherence, which can more effectively meet the special lighting needs of aquatic organisms.

[0017] This invention provides a novel laser device specifically designed for underwater use, which not only addresses the shortcomings of existing lighting equipment in aquatic organism farming but also offers a completely new solution for efficient farming and refined management of aquatic organisms. Attached Figure Description

[0018] Figure 1 This is an exploded view of the laser device according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the laser device according to an embodiment of the present invention; Figure 3 This is a cross-sectional view of the laser device according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the optical components of a laser device according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of the laser component in the laser device according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the flange blind plate of the laser device according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the lens unit arrangement of a laser device according to an embodiment of the present invention.

[0019] Explanation of reference numerals in the attached drawings: Laser device 10; Housing assembly 20; Housing 21; Mounting port 211; Inner cavity 212; Flange blind plate 22; Inner surface 221; Outer surface 222; Lifting ring interface 2221; Gland head interface 2222; Glue groove 223; Gland head 23; Lifting ring 24; Optical assembly 30; Uniform light scattering lens 31; Substrate lower surface 311; Substrate upper surface 312; Base plate 32; Connecting strip 33; Fixed end wall A 331; Connecting groove 332; Lens bracket 34; Step surface 341; Lens unit 35; Laser assembly 40; Heat sink 41; Substrate 411; Substrate surface 4111; Base column 412; Fixed end wall B 4121; Laser emitting unit 42. Detailed Implementation

[0020] To further understand the present invention, embodiments of the present invention are described below in conjunction with examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of the present invention, and not for limiting the scope of the claims of the present invention.

[0021] An embodiment of the present invention provides a laser device 10 for regulating the growth of aquatic organisms, such as... Figure 1 , Figure 2 and Figure 3As shown, the system includes a housing assembly 20, an optical assembly 30, and a laser assembly 40. The housing assembly 20 includes a hollow cylindrical housing 21 and flange blind plates 22 mounted on both ends of the housing. The cylindrical surfaces of the housing 21 are all light-emitting surfaces, and the two ends of the housing 21 form mounting openings 211. An inner cavity 212 is formed inside the housing 211, in which the optical assembly 30 is disposed, and the laser assembly 40 is disposed within the optical assembly 30.

[0022] The outer casing 20 serves to protect the internal components of the laser device. The outer casing 21 can be made of materials such as glass, PC (polycarbonate), and PMMA (polymethyl methacrylate, commonly known as plexiglass or acrylic). These materials have a light transmittance of up to 90% or more. The outer casing adopts a hollow columnar shape and high light transmittance, making it suitable for underwater waterproofing and light transmission applications.

[0023] like Figure 4 and Figure 5 As shown, the optical component 30 is formed into a hollow column by a base plate 32 and a connecting strip 33 through a connecting groove 332. Several lens supports 34 are provided on the base plate 32, and several uniform light scattering lenses 31 are provided on the stepped surface 341 of the lens supports 34.

[0024] Because the laser light source itself has a small emission angle, the area that the laser light source can illuminate is small and the uniformity is poor. However, in the field of aquatic organism lighting, a larger illumination area and as uniform light as possible are required. Therefore, it is necessary to diffuse the laser beam to increase the illumination area of ​​the lighting equipment.

[0025] The uniform light scattering lens 31 features a large angle, lightweight design, and homogeneity, with a substrate thickness ≤2.5mm. The lower surface 311 of the substrate refers to the surface of the uniform light scattering lens 31 facing the laser assembly, and the upper surface 312 of the substrate refers to the surface of the uniform light scattering lens 31 facing away from the laser assembly. Let the plane of the lower surface 311 be the XY plane, and the direction perpendicular to the lower surface 311 be the Z-axis. The uniform light scattering lens 31 employs a compound eye optical design method, arranging hundreds or thousands of tiny, independent lens units 35 (also called "sub-eyes") into an array. For example... Figure 7 As shown, Figure 7 Image (a) is a stereoscopic view of the uniform light scattering lens 31. Figure 7 (b) and Figure 7 (c) shows its XZ cross-sectional view and YZ longitudinal view, respectively. Each lens unit 35 is a small light-transmitting protrusion on the lower surface 311 of the substrate, and multiple lens units 35 are closely arranged along the XY directions of the lower surface 311 of the substrate.

[0026] For example, 1125 lens units 35 are arranged in a row of 45 and a column of 25 on the lower surface 311 of a 27.5mm × 27.5mm substrate, with each lens unit 35 measuring 1.0mm × 0.5mm. In different application scenarios, appropriate lens unit sizes and uniform light scattering lenses 31 can be selected based on the material, processing technology, and diffusion angle requirements of the uniform light scattering lens 31. In this embodiment of the invention, the preferred lens unit size is 100-5000 micrometers. When a large diffusion angle is required, more lens units 35 can be used, and the length and width of the uniform light scattering lens 31 can be increased accordingly. When a small diffusion angle is required, the length and width of the uniform light scattering lens 31 can be reduced. In this embodiment of the invention, the preferred uniform light scattering lens 31 size is 27.5mm × 27.5mm.

[0027] Curve S1 in the contour line formed by the XZ cross-section of lens unit 35 can be an elliptical arc or a parabola, and the radius of curvature of curve S1 determines the lateral divergence angle of the incident laser. Curve S2 in the contour line formed by the YZ longitudinal section of lens unit 35 can also be an elliptical arc or a parabola, and the radius of curvature of curve S2 determines the longitudinal divergence angle of the incident laser. S1 and S2 use different radii of curvature, which can be determined according to the specific application scenario to achieve different diffusion angles of the beam in the lateral and longitudinal directions. In this embodiment of the invention, by controlling the radii of curvature of the cross-section and longitudinal section, the laser beam incident on the uniform light scattering lens 31 can be divided into multiple sub-beams, which are then superimposed and accumulated. Non-uniformity is eliminated by interference, and a laser beam with a specific divergence angle and uniform light distribution is emitted from the upper surface 312 of the substrate.

[0028] After the laser beam is emitted through the uniform light scattering lens 31, it forms an illumination area with a half-peak beam angle of 78° × 128°. Preferably, a triangular prism shape can be formed using three base plates 32 and three connecting strips 33. After being uniformly scattered by the uniform light scattering lens 31, the laser beams superimpose and exit the device through the outer casing, forming a luminous surface that emits light at all 360° angles along the cylindrical surface. This increases the illumination area of ​​the laser device and improves the irradiation effect on aquatic organisms.

[0029] The substrate of the uniform light scattering lens 31 can be made of polymer materials, such as high-refractive-index optical resins like PMMA and PC, or glass. The compound eye structure made of polymer materials can be fabricated using nanoimprinting, offering low cost, but its disadvantages include poor temperature resistance (generally below 120℃) and relatively low stability. The compound eye structure made of glass can be fabricated using molding and photolithography, offering good temperature resistance (generally up to 300℃ or even higher) and high stability, but its manufacturing cost is higher. In applications, the energy density per unit area of ​​the uniform light scattering lens surface irradiated by the laser beam can be calculated based on parameters such as the actual laser power (W), wavelength (λ), and distance (d) from the laser beam to the uniform light scattering lens, allowing for the selection of appropriate materials and processes for production.

[0030] like Figure 5 As shown, the laser assembly 40 is disposed within the optical assembly 30 and includes a heat sink 41 and multiple laser emitting units 42. The heat sink is a device or structure used to absorb and dissipate heat, providing a stable heat dissipation platform for heat sources such as the laser emitting units. The heat sink 41 includes a base column 412 disposed at the axis of the laser assembly 40 and several substrates 411 fixed to the base column 412. The laser emitting units 42 are disposed on the surface 4111 of the substrates 411.

[0031] Each laser emitting unit 42 corresponds to a uniform light scattering lens 31. When the laser beam emitted by the laser emitting unit 42 is parallel to the substrate 411, the plane of the substrate 411 is perpendicular to the plane of the base plate 32, which enables the laser beam to be directly and perpendicularly incident on the uniform light scattering lens 31, thereby emitting a light surface with uniform light and a large divergence angle.

[0032] Setting up multiple laser emitting units 42 ensures the diversity and flexibility of the laser, meeting different application requirements. This structure not only improves the efficiency and accuracy of laser emission but also enables the laser assembly 40 to adapt to various complex working environments.

[0033] The laser emitting unit 42 can provide light sources of specific wavelengths, including violet light (wavelength range 400-435nm), blue light (wavelength range 435-480nm), green light (wavelength range 500-560nm), and red light (wavelength range 605-720nm). It is important to note that when illuminating aquatic organisms, their physiological characteristics must be considered, taking into account the wavelength ranges required for each growth stage of the organism.

[0034] like Figure 6As shown, the inner surface 221 of the flange blind plate 22 is provided with a glue groove 223. The glue groove 223 can be used to achieve a sealed connection between the flange blind plate 22 and the outer shell 21 by applying glue. Industrial silicone sealant or other sealants with the same function can be used in the glue groove 223 to improve the waterproof performance of the laser equipment 10, so that the laser equipment 10 can meet the IP68 dustproof and waterproof requirements.

[0035] The flange blind plate 22 is provided with a lifting ring interface 2221. The lifting ring 24 can be fastened to the corresponding interface of the flange blind plate 22 by its own thread. The lifting ring can be used for suspension or connection. The flange blind plate 22 is also provided with a gland head interface 2222. The gland head 23 can be installed on the corresponding interface for waterproof power cord connector.

[0036] Both the optical component 30 and the laser component 40 are connected and fixed to the outer flange blind plate 22 at both ends. The optical component 30 and the laser module 40 can be installed into the inner cavity 212 through the mounting port 211 of the outer shell 21. The fixed end wall A 331 of the connecting strip 33 of the optical component 30 and the fixed end wall B 4121 of the base column 412 are tightly fitted to the inner surface 221 of the flange blind plate 22, and fasteners can be driven into the outer surface 222 of the flange blind plate 22 for fixation.

[0037] The optical component 30, the laser component 40, and the flange blind plate 22 are all connected by a metal material with a high thermal conductivity, forming a complete heat dissipation path. This allows the heat generated by the laser emitting unit 42 to be transferred to the external environment, preventing the laser emitting unit 42 from getting too hot and thus affecting its lifespan.

[0038] The power drive module of the laser device is connected to the laser assembly 40 via a cable, driving the laser emitting unit 42 on the laser assembly 40 to emit a laser beam, which is directed perpendicularly towards the uniform light scattering lens 31. The power drive module supports two connection structure modes: built-in and externally mounted on the housing assembly 20.

[0039] The housing assembly 20, optical assembly 30, laser assembly 40 and power drive module of the laser device work together to increase the irradiation range on aquatic organisms and achieve the effect of regulating the growth of aquatic organisms.

[0040] The above description of the embodiments is only for the purpose of helping to understand the method and core ideas of the present invention. It should be noted that those skilled in the art can make several improvements and modifications to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A laser device for application to the growth regulation of aquatic organisms, characterized by, The application relates to a laser device, which comprises a shell assembly (20), an optical assembly (30) and a laser assembly (40); the shell assembly (20) comprises a light-transmitting hollow cylindrical shell (21) and flange blind plates (22) mounted on both end faces of the shell; the optical assembly (30) is arranged in the shell assembly (20) and is surrounded by a plurality of bottom plates (32) in a hollow cylindrical shape; a plurality of lens supports (34) are arranged on each bottom plate (32); a light-uniform scattering lens (31) is arranged on the lens support (34); the laser assembly (40) is arranged in the optical assembly (30) and comprises a heat sink (41) and a plurality of laser emission units (42); the heat sink (41) comprises a base column (412) arranged at the center of the laser device and a plurality of base plates (411) surrounding the base column (412); and the laser emission unit (42) is arranged on the surface of the base plate (411).

2. The laser apparatus according to claim 1, characterized by, A plurality of micro-sized lens units (35) are arranged on the side surface of the light-uniform scattering lens (31) facing the laser emission unit (42); the micro-sized lens units (35) are 100-5000 microns in size; the lens units (35) are light-transmitting small protrusions; and the lens units (35) are closely arranged in an array form.

3. The laser apparatus according to claim 1, characterized by, The curve S1 in the cross-sectional profile of the light-uniform scattering lens (31) is an elliptic arc or a parabolic curve; the curve S2 in the longitudinal cross-sectional profile of the light-uniform scattering lens (31) is an elliptic arc or a parabolic curve; and the radii of curvature of S1 and S2 are different.

4. The laser apparatus according to claim 1, characterized by, The base plates (411) and the bottom plates (32) are arranged in pairs; the laser emission units (42) and the light-uniform scattering lenses (31) are arranged in pairs; and the laser beams of the laser emission units (42) are vertically injected into the light-uniform scattering lenses (31).

5. The laser apparatus according to claim 1, wherein The optical assembly (30) further comprises connecting strips (33) for connecting the bottom plates (32); the end faces of the connecting strips (33) abut against the flange blind plates (22); and the end faces of the base columns (412) abut against the flange blind plates (22).

6. The laser apparatus according to claim 1, wherein The flange blind plates (22) are provided with lifting ring interfaces (2221) for connecting lifting rings and Gran head interfaces (2222) for mounting Gran heads.

7. The laser device according to any one of claims 1 to 6, characterized in that, The inner surfaces of the flange blind plates (22) are provided with glue grooves (223) for waterproof sealing; and the shell (21) and the flange blind plates (22) are connected at the glue grooves (223).

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