Seaweed deep sea farming float device based on a new paper folding structure

Abstract

The application discloses a seaweed deep-sea cultivation floating body equipment based on a novel paper folding structure, which comprises a main rod, a plurality of cultivation rods, a plurality of auxiliary rods, an extension rod, a fixing block, a sliding block, a limiting block, a base, a plurality of cultivation paper folding floating bodies, a connecting bearing, a buoyancy ball, an anchor and an anchor chain; the fixing block and the base are fixed at the top end and the bottom end of the main rod respectively, and the sliding block is slidably sleeved on the main rod; the two ends of the extension rod are connected with the sliding block and the base respectively; the cultivation rod and the auxiliary rod are hingedly connected on the fixing block and the sliding block respectively, and the free end of the auxiliary rod is hingedly connected with the cultivation rod; the cultivation rod can change between an unfolded state and a folded state through sliding of the sliding block along the main rod; the buoyancy ball is fixed on the top end of the main rod, and the cultivation paper folding floating body is arranged on the cultivation rod; the cultivation paper folding floating body has a cavity capable of filling nutrient substances, and the surface of the shell body has a hollow structure. The seaweed deep-sea cultivation floating body equipment can meet the requirements of seaweed cultivation adhesion and nutrient carrying in deeper sea areas.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of seaweed cultivation, and particularly relates to a seaweed deep-sea cultivation floating body device based on a new paper folding structure. BACKGROUND

[0002] Currently, most seaweed cultivation areas are limited to coastal protected areas, and the area of these areas is limited and cannot meet the growing demand for cultivation. In fact, most areas suitable for seaweed cultivation have been occupied by other purposes, so it is particularly important to develop a new seaweed cultivation system suitable for deeper sea areas to overcome these limitations.

[0003] Seaweed cultivation in deeper sea areas faces the problem of lacking suitable seaweed attachment structures. Seaweed usually relies on solid structures in the sea for attachment in natural environments, which is crucial for its growth and reproduction. However, as the depth of seaweed cultivation increases, existing marine environments and technical facilities cannot meet the needs of seaweed attachment. To address this challenge, researchers have attempted to combine seaweed cultivation with existing nearshore structures, such as offshore wind farms, to form multi-purpose offshore power generation and cultivation units. However, these existing aquaculture systems are usually limited by their structural height and depth and cannot effectively adapt to deeper sea areas. In addition, the growth of seaweed not only requires stable attachment structures, but also requires sufficient nutrients. The surface layer of deeper sea areas is usually nutrient-poor and cannot support the normal growth of seaweed. How to fill nutrients in the attachment structure to meet the growth needs of seaweed is a problem that needs to be solved for new cultivation systems. Therefore, there is an urgent need to develop a new multi-functional seaweed cultivation system that can adapt to deeper sea environments, achieve large-scale cultivation in deeper sea areas, and fully exploit the potential of seaweed in carbon sequestration, environmental improvement, and sustainable development. SUMMARY

[0004] The present application provides a seaweed deep-sea cultivation floating body device based on a new paper folding structure, which can meet the attachment and nutrient carrying needs of seaweed cultivation in deeper sea areas.

[0005] The technical solution of the present application is as follows:

[0006] A seaweed deep-sea cultivation floating body device based on a new paper folding structure, comprising a main rod, a plurality of cultivation rods, a plurality of auxiliary rods, an extension rod, a fixed block, a sliding block, a limiting block, a base, a plurality of cultivation paper folding floating bodies, a connecting bearing, a buoyancy ball, an anchor, and an anchor chain.

[0007] The fixed block is fixed at the top end of the main rod, the base is fixed at the bottom end of the main rod, and the sliding block is slidably sleeved on the main rod; the extension rod is connected to the sliding block and the base at both ends.

[0008] The limiting block is fixedly arranged above the main rod, and the sliding block can be limited by the limiting block.

[0009] The breeding rod and the auxiliary rod are respectively hinged on the fixed block and the sliding block, and the other free end of the auxiliary rod is hinged on the breeding rod;

[0010] The breeding rod can change between the unfolded state and the folded state by sliding the sliding block along the main rod; when the sliding block is fixed on the main rod by the limiting block, the breeding rod is in the unfolded state;

[0011] The buoyancy ball is fixed on the fixed block at the top end of the main rod, the breeding origami floating body is fixed on the breeding rod through the connecting bearing, and the anchor is connected with the base through the anchor chain.

[0012] The breeding origami floating body has a cavity capable of filling nutrients and a hollow pattern capable of allowing seaweed to adhere.

[0013] The whole of the seaweed deep-sea breeding floating body equipment of the present application is in a umbrella-shaped structure, and the telescopic rod and the sliding block can control the unfolding and closing of the umbrella-shaped structure. When the equipment is in operation and is in the unfolded state, the breeding origami floating body can be expanded outward in a diverging manner, so that the breeding scale of seaweed can be expanded, the breeding area can be increased, the equipment volume can be reduced when being transported, and the logistics cost can be reduced.

[0014] The anchoring method of the seaweed deep-sea breeding floating body equipment of the present application can meet the demand of breeding in a more distant sea area.

[0015] Preferably, the breeding rods are evenly distributed along the circumference of the fixed block.

[0016] Preferably, a plurality of breeding origami floating bodies are evenly arranged on each breeding rod.

[0017] Preferably, the breeding origami floating body comprises a hollow center buoyancy ball, a plurality of origami functional units, a plurality of connecting modules and two bearing connecting units.

[0018] The origami functional unit has a cavity capable of filling nutrients and a hollow structure capable of allowing seaweed to adhere and communicating with the cavity.

[0019] The plurality of origami functional units and the bearing connecting units are connected with each other through the connecting modules to form an outer shell covering the hollow buoyancy ball.

[0020] The breeding origami floating body has a through hole through which the breeding rod can pass, and the breeding origami floating body is fixed on the breeding rod through the cooperation of the bearing connecting unit and the connecting bearing.

[0021] The seaweed adheres to the surface of the breeding origami floating body through the hollow structure, and the nutrients filled in the cavity of the origami functional unit can be used by the seaweed.

[0022] Preferably, the shape of the paper folding functional unit is evolved from a new paper folding structure; a plurality of new paper folding structures can form a platonic solid when in an unfolded state.

[0023] The unfolded state of the new paper folding structure is based on a platonic solid comprising only a single regular polygon. The folded state of the new paper folding structure can have a structure center embedded in a sphere; the base unit crease pattern of the new paper folding structure is a variant of the regular polygon forming the platonic solid, satisfying specific geometric conditions, and evolving with the radius of the center embedded sphere as a constant value to obtain a series of new paper folding structures.

[0024] Further, the unfolded state of the new paper folding structure is a variant of a regular pentagon; the number of paper folding functional units in each aquaculture paper folding float is 10.

[0025] The aquaculture paper folding float of the application can reduce the flow rate of the surrounding flow field. On the other hand, the structure of the aquaculture paper folding float of the application is modular design, which is convenient for manufacturing, assembly and optimization.

[0026] Preferably, in the aquaculture paper folding float, adjacent paper folding functional units are connected to each other by hinging.

[0027] Preferably, the side wall of the paper folding functional unit in contact with the hollow floating ball is a curved surface adapted to the hollow floating ball.

[0028] The inner curved surface, the hollow design on the surface, the additional cavity and the connecting seat can form the paper folding functional unit. The cavity of the paper folding functional unit can carry nutrients, the complex hollow pattern on the surface facilitates the growth of seaweed roots, the inner curved surface fits the hollow center floating ball, and the connecting seat cooperates with the connecting module and the connection of other adjacent paper folding functional units.

[0029] Preferably, the paper folding functional unit is formed by 3D printing.

[0030] The paper folding functional unit can be formed by 3D double material printing, the solid material is selected from environment-friendly materials, and the support material is water-soluble material, which is convenient to remove.

[0031] Further preferably, the material of the paper folding functional unit is polylactic acid.

[0032] Compared with the prior art, the beneficial effects of the application are:

[0033] Compared with the traditional seaweed cultivation device, the seaweed deep-sea cultivation float device of the application is designed in an umbrella shape, which can greatly reduce the logistics space and cost when in a closed state during transportation, and after unfolding, the three-dimensional divergent cultivation area maximizes the utilization of light and seawater flow to promote the growth of seaweed.

[0034] The application adopts the design strategy of core-shell structure, based on the hollow center floating ball, develops a new type of origami functional unit based on origami structure, forms a series of complex origami spherical shells fitting the ball, facilitates the attachment of root system in the process of seaweed growth, and solves the problem of lack of attachment of seaweed in the open sea cultivation scene.

[0035] The new origami structure based origami functional unit also has a cavity for carrying nutrients, providing nutrients for seaweed growth in the open sea.

[0036] In addition, the manufacturing process and assembly method of the application are simple, and the environmentally friendly materials with marine environment friendliness are adopted, which reduces the long-term impact on marine ecology, especially suitable for ecologically sensitive sea areas, and helps the expansion of seaweed cultivation area to deeper sea areas. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is a schematic diagram of the overall structure of the seaweed deep open sea cultivation floating body device based on the new origami structure.

[0038] Figure 2 It is a structural schematic diagram of the cultivation origami floating body.

[0039] Figure 3 It is a schematic diagram of the initial and folded state of the new origami structure.

[0040] Figure 4 It is Figure 2 It is a base unit crease diagram of the new origami structure corresponding to the origami functional unit.

[0041] Figure 5 It is Figure 3 It is a folding effect diagram of the new origami structure formed by the combination of the base unit with parameter changes.

[0042] Figure 6 It is a top view and front view cross-sectional view of the origami functional unit with a complex surface.

[0043] Figure 7 It is a double material 3D printing manufacturing process diagram of the origami functional unit.

[0044] In the figure: 1-float ball, 2-connection bearing, 3-cultivation origami floating body, 4-limit block, 5-sliding block, 6-main rod, 7-extension rod, 8-base, 9-cultivation rod, 10-assistant rod, 11-anchor chain, 12-anchor, 13-fixing block, 31-hollow center floating ball, 32-origami functional unit, 33-bearing connection unit, 34-connection module, 321-hollow pattern, 322-inner curved surface, 323-cavity, 324-connection seat. DETAILED DESCRIPTION

[0045] The application will be further described in detail below with reference to the accompanying drawings and examples, it should be pointed out that the following examples are intended to facilitate the understanding of the application and do not limit the application in any way.

[0046] As shown in Figure 1 The seaweed deep-sea cultivation floating body equipment based on the new origami structure provided by the application mainly comprises a buoyancy ball 1, a connecting bearing 2, a cultivation origami floating body 3, a limiting block 4, a sliding block 5, a main rod 6, an extension rod 7, a base 8, a cultivation rod 9, an auxiliary rod 10, an anchor chain 11, an anchor 12 and a fixing block 13. The buoyancy ball 1 is fixed at the top of the main rod 6, the limiting block 4 is fixed at the upper half of the main rod 6, the base 8 is fixed at the bottom of the main rod 6 and connected with the anchor 12 through the anchor chain 11, the extension rod 7 is connected with the base 8 and the sliding block 5 at both ends respectively, the sliding block 5 can slide on the main rod 6, the cultivation origami floating body 3 is fixed on the cultivation rod 9 through the connecting bearing 2, and the cultivation rod 9 is connected with the sliding block 5 through the auxiliary rod 10.

[0047] The seaweed cultivation floating body equipment forms an umbrella structure as a whole, so that the cultivation origami floating body 3 can expand outward in a divergent manner, which is convenient for expanding the cultivation scale. The extension rod 7 and the limiting block 4 can control the expansion and closure of the umbrella structure, and the expansion state and the closure state are shown in Figure 1 The folded and reduced volume during transportation reduces the logistics cost, and the expansion during operation increases the cultivation area. Moreover, the anchoring is achieved by the cooperation of the anchor chain 11, the anchor 12 and the base 8, which can meet the demand of cultivation in a more remote sea area. The buoyancy ball 1 and the cultivation origami floating body 3 provide buoyancy for the whole equipment.

[0048] As shown in Figure 2 The cultivation origami floating body 3 in the seaweed cultivation floating body equipment is designed based on the core-shell structure. In order to provide marine surface attachments for deep-sea seaweed cultivation, the hollow center floating ball 31, the origami functional unit 32, the bearing connecting unit 33 and the connecting module 34 are composed.

[0049] The hollow center floating ball is made of PVC plastic, which is commonly used in fishing gear. It has the function of providing buoyancy for the seaweed deep-sea cultivation floating body equipment, which ensures that the equipment can float stably on the sea surface and support the growth of seaweed on the sea surface with sufficient light.

[0050] The origami functional unit is the smallest combination unit of the complex spherical shell covering the outside of the hollow center floating ball. Its shape mainly comes from a new origami structure, as shown in Figure 3 The new origami structure is based on the evolution of a sphere. According to the folding change of the crease, a three-dimensional structure of a center-embedded sphere can be obtained.

[0051] The unfolded state of the novel origami structure resembles a Platonic solid consisting of only a single regular polygon. In this example, a regular dodecahedron from the Platonic solid is chosen as an approximation. The crease diagram of the basic unit of the novel origami structure must satisfy three-dimensional geometric conditions so that it can be assembled into a regular dodecahedron in both the initial and folded states. From a solid geometry perspective, the crease region of the basic unit is not a regular pentagon, but a variant based on a regular pentagon.

[0052] like Figure 4 As shown, the basic unit fold area of ​​the novel origami structure, enclosed by the boundary line, is based on a pentagon. A variant. This variant is a symmetrical 25-sided polygon. The basic unit crease is mainly composed of two concentric base circles ( and The two base circles each contain an inscribed regular pentagon (pentagon). and pentagon ).

[0053] Among them, the outer base circle The radius is constant , and the inner base circle The difference in radius is denoted as During the folding process, when and When they come into contact, they form a self-locking mechanism, achieving the final folded state. At this point, the point... and points Overlapping points The same method can also be used to form four points. , , and They are connected in sequence to form a new pentagon. .

[0054] Based on pentagon The circumsphere of the formed dodecahedron is defined as a hollow central floating sphere with a constant radius. .exist and Given constant values, derive the geometric relationships during the folding process of the basic unit. The method for using auxiliary lines and the geometric relationships are as follows:

[0055] point Points on the fold lines of adjacent basic units in a regular dodecahedron formed by folding and combining basic units. and Regarding planes Symmetrical. In a plane Up through point Draw a line parallel to line and the same method is used to pass through the point Draw a line parallel to the corresponding straight line , the two lines intersect at point By geometric relationship analysis, points , , and are collinear, and angle is the dihedral angle of the regular dodecahedron, set as , the value is . Draw a perpendicular line through point , which passes through point Due to the symmetry about the plane , it just intersects the straight line at point . Perpendicular to , point is the perpendicular point. Draw a perpendicular line perpendicular to the plane , and the foot is point .

[0056] Through the above auxiliary lines and geometric relationships, we can deduce the important geometric relationships of the folding of the base unit creases of the new type of origami structure as follows:

[0057] (1);

[0058] (2);

[0059] (3);

[0060] (4);

[0061] (5);

[0062] (6);

[0063] (7);

[0064] (8);

[0065] (9);

[0066] In the formula, and represent the edge length of pentagon and , respectively,​​ This indicates the volume difference between the outer shell and the hollow central float of the novel origami structure. This indicates the surface area of ​​the outer shell of the novel origami structure. The pentagon represents the state between the initial state and the folded state. and pentagon The vertical distance between them.

[0067] Meanwhile, in order to ensure that the new origami structure can undergo reasonable folding changes and avoid problems such as mold breaking, parameters... The changes need to meet and The dual geometric conditions.

[0068] In the example, when Set to 60, When set to 50, its range of variation can be calculated to be from 13.5763 to 28.6263. For example... Figure 5 As shown, by changing the parameters The value of can be used to obtain a series of basic unit crease diagrams that conform to geometric relationships, as well as a series of new origami structure shells composed of them.

[0069] Based on the above novel origami structure, it is possible to design and form such as Figure 6 The diagram shows the shape of the origami functional unit 32 based on the folding of the basic unit. The origami functional unit is formed by further designing the inner curved surface 322 and the surface perforated pattern 321, adding a cavity 323 and a connecting seat 324, etc. It has a cavity 323 that can hold nutrients, specifically nutrients with a slow-release function. The surface has a complex perforated pattern 321; in this example, a spiral structure similar to the "square meander pattern" in traditional Chinese ornamentation is used. This complex surface pattern facilitates the attachment and growth of seaweed roots. The inner side of the origami functional unit has an inner curved surface 322 that conforms to the curvature of the hollow central floating sphere.

[0070] like Figure 7 As shown, the origami functional unit has a connecting seat structure that mates with the connecting module. When connected to other origami functional units, a hinge-like connection method is used. Each origami functional unit has five edges, and connecting seats are required on each edge. There are two ways to arrange the connecting seats: one per edge or two per edge. Based on calculations, to conform to the shape of a regular dodecahedron, two origami functional units with different connecting seat arrangements were designed: 11212 and 22121, where 1 and 2 represent the number of connecting seats on each edge. When assembling to form an origami floating body for aquaculture, five of each of these two different connecting seat arrangements are required, along with two bearing connecting units.

[0071] like Figure 7As shown, the paper folding function unit is formed by 3D double material printing due to the complex hollow pattern on the surface, the solid material is selected as the environment-friendly material PLA (polylactic acid), and the support material is the water-soluble material PVA (polyvinyl alcohol), and the model needs to be immersed in water for 24 hours to remove the water-soluble support material after printing.

[0072] The above-described embodiments detail the technical solutions and beneficial effects of the present application, and it should be understood that the above-described is only a specific embodiment of the present application and is not intended to limit the present application. Any modification, supplement and equivalent replacement within the principle range of the present application should be included in the protection scope of the present application.

Claims

1. A new type of origami structure based seaweed deep sea farming floating body apparatus, characterized by, The application relates to a paper folding culture device, which comprises a main rod, a plurality of culture rods, a plurality of auxiliary rods, an extension rod, a fixing block, a sliding block, a limiting block, a base, a plurality of paper folding culture floating bodies, a connecting bearing, a buoyancy ball, an anchor and an anchor chain. The fixing block is fixed at the top end of the main rod, the base is fixed at the bottom end of the main rod, and the sliding block is sleeved on the main rod in a sliding mode; and the two ends of the extension rod are connected with the sliding block and the base respectively. The limiting block is fixed above the main rod, and the sliding block is limited by the limiting block. The culture rods and the auxiliary rods are respectively hinged on the fixing block and the sliding block, and the other free end of the auxiliary rod is hinged with the culture rod. The culture rods are changed between the unfolded state and the folded state by sliding the sliding block along the main rod; when the sliding block is fixed on the main rod by the limiting block, the culture rods are in the unfolded state. The buoyancy ball is fixed on the fixing block at the top end of the main rod, the paper folding culture floating bodies are fixed on the culture rods through the connecting bearing, and the anchor is connected with the base through the anchor chain. The aquaculture origami float comprises a hollow central float, several origami functional units, several connecting modules, and two bearing connecting units. Each origami functional unit is the smallest combined unit of the outer shell covering the hollow central float. The shape of each origami functional unit is evolved from a novel origami structure. Several novel origami structures, when unfolded, form a Platonic solid. The unfolded novel origami structure is a variant of a regular pentagon. Each aquaculture origami float contains 10 origami functional units. The folded area of ​​the basic unit of the novel origami structure, enclosed by the boundary line, is based on a pentagon. A variant of this is a centrally symmetric 25-gon, where the basic unit crease is formed by two concentric base circles. and Control; after folding, it forms a new pentagon. Based on pentagon The circumscribed sphere of the formed dodecahedron is defined as a hollow central float; the origami functional unit has a chamber for filling nutrients and a perforated structure communicating with the chamber for seaweed attachment; several origami functional units and bearing connection units are interconnected by a connection module to form an outer shell covering the hollow central float; the aquaculture origami float has a through hole for the aquaculture rod to pass through, and the aquaculture origami float is fixed to the aquaculture rod by the cooperation of the bearing connection unit and the connecting bearing.

2. The new origami structure based seaweed deep sea farming floating body apparatus according to claim 1, characterized in that, The plurality of culture rods are evenly distributed along the circumference of the fixing block.

3. A new origami structure based seaweed deep sea farming floating body apparatus according to claim 1 or 2, characterized in that, A plurality of paper folding culture floating bodies are evenly arranged on each culture rod.

4. The new origami structure based seaweed deep sea farming floating body apparatus according to claim 1, characterized in that, In the paper folding culture floating body, adjacent paper folding functional units are connected with each other in a hinged mode.

5. The new origami structure based seaweed deep sea farming floating body apparatus according to claim 1, characterized in that, The side wall of the paper folding functional unit, which is in contact with the hollow center floating ball, is a curved surface matched with the hollow center floating ball.

6. The new origami structure based seaweed deep sea farming floating body apparatus according to claim 1, characterized in that, The paper folding functional unit is formed by 3D printing.

7. The new origami structure based seaweed deep sea farming floating body apparatus according to claim 1, characterized in that, The material of the paper folding functional unit is polylactic acid.

Images